Home / 9,966.08-14,951.10-3,390.50

Finding the Fourth Proportional to 9,966.08, 14,951.10 and 3,390.50

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Solution

The fourth proportional to 9,966.08, 14,951.10 and 3,390.50 is: 5,086.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.08 : 14,951.10 = 3,390.50 : x
  2. Step 2: Convert to fraction form
    9,966.08/14,951.10 = 3,390.50/x
  3. Step 3: Cross multiply
    9,966.08x = 14,951.10 × 3,390.50
  4. Step 4: Simplify right side
    9,966.08x = 50,691,704.55
  5. Step 5: Solve for x
    x = 50,691,704.55/9,966.08
  6. Step 6: Final answer
    x = 5,086.42

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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.