Home / 13,549.10-20,325.02-3,689.14

Finding the Fourth Proportional to 13,549.10, 20,325.02 and 3,689.14

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Solution

The fourth proportional to 13,549.10, 20,325.02 and 3,689.14 is: 5,534.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.10 : 20,325.02 = 3,689.14 : x
  2. Step 2: Convert to fraction form
    13,549.10/20,325.02 = 3,689.14/x
  3. Step 3: Cross multiply
    13,549.10x = 20,325.02 × 3,689.14
  4. Step 4: Simplify right side
    13,549.10x = 74,981,844.28
  5. Step 5: Solve for x
    x = 74,981,844.28/13,549.10
  6. Step 6: Final answer
    x = 5,534.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.