Home / 10,282.89-15,424.34-2,491.70

Finding the Fourth Proportional to 10,282.89, 15,424.34 and 2,491.70

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Solution

The fourth proportional to 10,282.89, 15,424.34 and 2,491.70 is: 3,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.89 : 15,424.34 = 2,491.70 : x
  2. Step 2: Convert to fraction form
    10,282.89/15,424.34 = 2,491.70/x
  3. Step 3: Cross multiply
    10,282.89x = 15,424.34 × 2,491.70
  4. Step 4: Simplify right side
    10,282.89x = 38,432,854.08
  5. Step 5: Solve for x
    x = 38,432,854.08/10,282.89
  6. Step 6: Final answer
    x = 3,737.55

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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.