Home / 12,715.00-19,073.76-4,711.91

Finding the Fourth Proportional to 12,715.00, 19,073.76 and 4,711.91

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Solution

The fourth proportional to 12,715.00, 19,073.76 and 4,711.91 is: 7,068.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715.00 : 19,073.76 = 4,711.91 : x
  2. Step 2: Convert to fraction form
    12,715.00/19,073.76 = 4,711.91/x
  3. Step 3: Cross multiply
    12,715.00x = 19,073.76 × 4,711.91
  4. Step 4: Simplify right side
    12,715.00x = 89,873,861.24
  5. Step 5: Solve for x
    x = 89,873,861.24/12,715.00
  6. Step 6: Final answer
    x = 7,068.33

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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.