Home / 15,711.28-23,553.64-6,819.93

Finding the Fourth Proportional to 15,711.28, 23,553.64 and 6,819.93

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Solution

The fourth proportional to 15,711.28, 23,553.64 and 6,819.93 is: 10,224.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,711.28 : 23,553.64 = 6,819.93 : x
  2. Step 2: Convert to fraction form
    15,711.28/23,553.64 = 6,819.93/x
  3. Step 3: Cross multiply
    15,711.28x = 23,553.64 × 6,819.93
  4. Step 4: Simplify right side
    15,711.28x = 160,634,146.21
  5. Step 5: Solve for x
    x = 160,634,146.21/15,711.28
  6. Step 6: Final answer
    x = 10,224.13

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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.