Home / 13,324.02-18,387.23-7,355.87

Finding the Fourth Proportional to 13,324.02, 18,387.23 and 7,355.87

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Solution

The fourth proportional to 13,324.02, 18,387.23 and 7,355.87 is: 10,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.02 : 18,387.23 = 7,355.87 : x
  2. Step 2: Convert to fraction form
    13,324.02/18,387.23 = 7,355.87/x
  3. Step 3: Cross multiply
    13,324.02x = 18,387.23 × 7,355.87
  4. Step 4: Simplify right side
    13,324.02x = 135,254,073.54
  5. Step 5: Solve for x
    x = 135,254,073.54/13,324.02
  6. Step 6: Final answer
    x = 10,151.15

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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.