Home / 10,176.73-15,242.54-7,819.38

Finding the Fourth Proportional to 10,176.73, 15,242.54 and 7,819.38

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Solution

The fourth proportional to 10,176.73, 15,242.54 and 7,819.38 is: 11,711.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.73 : 15,242.54 = 7,819.38 : x
  2. Step 2: Convert to fraction form
    10,176.73/15,242.54 = 7,819.38/x
  3. Step 3: Cross multiply
    10,176.73x = 15,242.54 × 7,819.38
  4. Step 4: Simplify right side
    10,176.73x = 119,187,168.11
  5. Step 5: Solve for x
    x = 119,187,168.11/10,176.73
  6. Step 6: Final answer
    x = 11,711.74

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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.