Home / 10,529.73-15,780.93-4,282.47

Finding the Fourth Proportional to 10,529.73, 15,780.93 and 4,282.47

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Solution

The fourth proportional to 10,529.73, 15,780.93 and 4,282.47 is: 6,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.73 : 15,780.93 = 4,282.47 : x
  2. Step 2: Convert to fraction form
    10,529.73/15,780.93 = 4,282.47/x
  3. Step 3: Cross multiply
    10,529.73x = 15,780.93 × 4,282.47
  4. Step 4: Simplify right side
    10,529.73x = 67,581,359.30
  5. Step 5: Solve for x
    x = 67,581,359.30/10,529.73
  6. Step 6: Final answer
    x = 6,418.15

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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.