Home / 10,529.62-15,785.13-4,294.84

Finding the Fourth Proportional to 10,529.62, 15,785.13 and 4,294.84

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Solution

The fourth proportional to 10,529.62, 15,785.13 and 4,294.84 is: 6,438.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.62 : 15,785.13 = 4,294.84 : x
  2. Step 2: Convert to fraction form
    10,529.62/15,785.13 = 4,294.84/x
  3. Step 3: Cross multiply
    10,529.62x = 15,785.13 × 4,294.84
  4. Step 4: Simplify right side
    10,529.62x = 67,794,607.73
  5. Step 5: Solve for x
    x = 67,794,607.73/10,529.62
  6. Step 6: Final answer
    x = 6,438.47

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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.