Home / 13,292.90-18,345.01-7,324.57

Finding the Fourth Proportional to 13,292.90, 18,345.01 and 7,324.57

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Solution

The fourth proportional to 13,292.90, 18,345.01 and 7,324.57 is: 10,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.90 : 18,345.01 = 7,324.57 : x
  2. Step 2: Convert to fraction form
    13,292.90/18,345.01 = 7,324.57/x
  3. Step 3: Cross multiply
    13,292.90x = 18,345.01 × 7,324.57
  4. Step 4: Simplify right side
    13,292.90x = 134,369,218.17
  5. Step 5: Solve for x
    x = 134,369,218.17/13,292.90
  6. Step 6: Final answer
    x = 10,108.35

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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.