Home / 20,737.02-28,617.64-11,306.18

Finding the Fourth Proportional to 20,737.02, 28,617.64 and 11,306.18

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Solution

The fourth proportional to 20,737.02, 28,617.64 and 11,306.18 is: 15,602.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737.02 : 28,617.64 = 11,306.18 : x
  2. Step 2: Convert to fraction form
    20,737.02/28,617.64 = 11,306.18/x
  3. Step 3: Cross multiply
    20,737.02x = 28,617.64 × 11,306.18
  4. Step 4: Simplify right side
    20,737.02x = 323,556,189.02
  5. Step 5: Solve for x
    x = 323,556,189.02/20,737.02
  6. Step 6: Final answer
    x = 15,602.83

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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.