Home / 10,436.56-15,641.88-4,882.66

Finding the Fourth Proportional to 10,436.56, 15,641.88 and 4,882.66

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Solution

The fourth proportional to 10,436.56, 15,641.88 and 4,882.66 is: 7,317.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.56 : 15,641.88 = 4,882.66 : x
  2. Step 2: Convert to fraction form
    10,436.56/15,641.88 = 4,882.66/x
  3. Step 3: Cross multiply
    10,436.56x = 15,641.88 × 4,882.66
  4. Step 4: Simplify right side
    10,436.56x = 76,373,981.80
  5. Step 5: Solve for x
    x = 76,373,981.80/10,436.56
  6. Step 6: Final answer
    x = 7,317.93

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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.