Home / 9,930.70-14,901.45-4,087.90

Finding the Fourth Proportional to 9,930.70, 14,901.45 and 4,087.90

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Solution

The fourth proportional to 9,930.70, 14,901.45 and 4,087.90 is: 6,134.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.70 : 14,901.45 = 4,087.90 : x
  2. Step 2: Convert to fraction form
    9,930.70/14,901.45 = 4,087.90/x
  3. Step 3: Cross multiply
    9,930.70x = 14,901.45 × 4,087.90
  4. Step 4: Simplify right side
    9,930.70x = 60,915,637.46
  5. Step 5: Solve for x
    x = 60,915,637.46/9,930.70
  6. Step 6: Final answer
    x = 6,134.07

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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.