Home / 13,549.52-20,324.10-6,972.20

Finding the Fourth Proportional to 13,549.52, 20,324.10 and 6,972.20

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Solution

The fourth proportional to 13,549.52, 20,324.10 and 6,972.20 is: 10,458.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.52 : 20,324.10 = 6,972.20 : x
  2. Step 2: Convert to fraction form
    13,549.52/20,324.10 = 6,972.20/x
  3. Step 3: Cross multiply
    13,549.52x = 20,324.10 × 6,972.20
  4. Step 4: Simplify right side
    13,549.52x = 141,703,690.02
  5. Step 5: Solve for x
    x = 141,703,690.02/13,549.52
  6. Step 6: Final answer
    x = 10,458.21

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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.