Home / 13,737.19-18,951.96-8,962.75

Finding the Fourth Proportional to 13,737.19, 18,951.96 and 8,962.75

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Solution

The fourth proportional to 13,737.19, 18,951.96 and 8,962.75 is: 12,365.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,737.19 : 18,951.96 = 8,962.75 : x
  2. Step 2: Convert to fraction form
    13,737.19/18,951.96 = 8,962.75/x
  3. Step 3: Cross multiply
    13,737.19x = 18,951.96 × 8,962.75
  4. Step 4: Simplify right side
    13,737.19x = 169,861,679.49
  5. Step 5: Solve for x
    x = 169,861,679.49/13,737.19
  6. Step 6: Final answer
    x = 12,365.10

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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.