Home / 10,290.60-15,426.89-4,951.11

Finding the Fourth Proportional to 10,290.60, 15,426.89 and 4,951.11

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Solution

The fourth proportional to 10,290.60, 15,426.89 and 4,951.11 is: 7,422.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.60 : 15,426.89 = 4,951.11 : x
  2. Step 2: Convert to fraction form
    10,290.60/15,426.89 = 4,951.11/x
  3. Step 3: Cross multiply
    10,290.60x = 15,426.89 × 4,951.11
  4. Step 4: Simplify right side
    10,290.60x = 76,380,204.59
  5. Step 5: Solve for x
    x = 76,380,204.59/10,290.60
  6. Step 6: Final answer
    x = 7,422.33

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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.