Home / 13,324.59-18,387.92-7,356.26

Finding the Fourth Proportional to 13,324.59, 18,387.92 and 7,356.26

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Solution

The fourth proportional to 13,324.59, 18,387.92 and 7,356.26 is: 10,151.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.59 : 18,387.92 = 7,356.26 : x
  2. Step 2: Convert to fraction form
    13,324.59/18,387.92 = 7,356.26/x
  3. Step 3: Cross multiply
    13,324.59x = 18,387.92 × 7,356.26
  4. Step 4: Simplify right side
    13,324.59x = 135,266,191.66
  5. Step 5: Solve for x
    x = 135,266,191.66/13,324.59
  6. Step 6: Final answer
    x = 10,151.62

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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.