Home / 12,737.42-17,586.20-9,747.91

Finding the Fourth Proportional to 12,737.42, 17,586.20 and 9,747.91

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Solution

The fourth proportional to 12,737.42, 17,586.20 and 9,747.91 is: 13,458.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737.42 : 17,586.20 = 9,747.91 : x
  2. Step 2: Convert to fraction form
    12,737.42/17,586.20 = 9,747.91/x
  3. Step 3: Cross multiply
    12,737.42x = 17,586.20 × 9,747.91
  4. Step 4: Simplify right side
    12,737.42x = 171,428,558.17
  5. Step 5: Solve for x
    x = 171,428,558.17/12,737.42
  6. Step 6: Final answer
    x = 13,458.66

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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.