Home / 14,581.68-21,910.32-12,737.76

Finding the Fourth Proportional to 14,581.68, 21,910.32 and 12,737.76

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Solution

The fourth proportional to 14,581.68, 21,910.32 and 12,737.76 is: 19,139.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.68 : 21,910.32 = 12,737.76 : x
  2. Step 2: Convert to fraction form
    14,581.68/21,910.32 = 12,737.76/x
  3. Step 3: Cross multiply
    14,581.68x = 21,910.32 × 12,737.76
  4. Step 4: Simplify right side
    14,581.68x = 279,088,397.68
  5. Step 5: Solve for x
    x = 279,088,397.68/14,581.68
  6. Step 6: Final answer
    x = 19,139.66

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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.