Home / 10,508.94-15,756.12-4,957.61

Finding the Fourth Proportional to 10,508.94, 15,756.12 and 4,957.61

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Solution

The fourth proportional to 10,508.94, 15,756.12 and 4,957.61 is: 7,432.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,508.94 : 15,756.12 = 4,957.61 : x
  2. Step 2: Convert to fraction form
    10,508.94/15,756.12 = 4,957.61/x
  3. Step 3: Cross multiply
    10,508.94x = 15,756.12 × 4,957.61
  4. Step 4: Simplify right side
    10,508.94x = 78,112,619.29
  5. Step 5: Solve for x
    x = 78,112,619.29/10,508.94
  6. Step 6: Final answer
    x = 7,432.97

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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.