Home / 13,254.67-18,291.86-7,286.23

Finding the Fourth Proportional to 13,254.67, 18,291.86 and 7,286.23

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Solution

The fourth proportional to 13,254.67, 18,291.86 and 7,286.23 is: 10,055.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.67 : 18,291.86 = 7,286.23 : x
  2. Step 2: Convert to fraction form
    13,254.67/18,291.86 = 7,286.23/x
  3. Step 3: Cross multiply
    13,254.67x = 18,291.86 × 7,286.23
  4. Step 4: Simplify right side
    13,254.67x = 133,278,699.09
  5. Step 5: Solve for x
    x = 133,278,699.09/13,254.67
  6. Step 6: Final answer
    x = 10,055.23

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Double scale
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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.