Home / 10,538.98-15,811.67-3,966.17

Finding the Fourth Proportional to 10,538.98, 15,811.67 and 3,966.17

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Solution

The fourth proportional to 10,538.98, 15,811.67 and 3,966.17 is: 5,950.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538.98 : 15,811.67 = 3,966.17 : x
  2. Step 2: Convert to fraction form
    10,538.98/15,811.67 = 3,966.17/x
  3. Step 3: Cross multiply
    10,538.98x = 15,811.67 × 3,966.17
  4. Step 4: Simplify right side
    10,538.98x = 62,711,702.06
  5. Step 5: Solve for x
    x = 62,711,702.06/10,538.98
  6. Step 6: Final answer
    x = 5,950.45

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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.