Home / 13,293.15-18,345.35-7,324.81

Finding the Fourth Proportional to 13,293.15, 18,345.35 and 7,324.81

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Solution

The fourth proportional to 13,293.15, 18,345.35 and 7,324.81 is: 10,108.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.15 : 18,345.35 = 7,324.81 : x
  2. Step 2: Convert to fraction form
    13,293.15/18,345.35 = 7,324.81/x
  3. Step 3: Cross multiply
    13,293.15x = 18,345.35 × 7,324.81
  4. Step 4: Simplify right side
    13,293.15x = 134,376,244.38
  5. Step 5: Solve for x
    x = 134,376,244.38/13,293.15
  6. Step 6: Final answer
    x = 10,108.68

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Half scale
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Double scale
Find fourth proportional to 13,294.15, 18,346.73 and 7,325.81
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.