Home / 11,769.60-16,248.24-7,291.20

Finding the Fourth Proportional to 11,769.60, 16,248.24 and 7,291.20

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Solution

The fourth proportional to 11,769.60, 16,248.24 and 7,291.20 is: 10,065.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.60 : 16,248.24 = 7,291.20 : x
  2. Step 2: Convert to fraction form
    11,769.60/16,248.24 = 7,291.20/x
  3. Step 3: Cross multiply
    11,769.60x = 16,248.24 × 7,291.20
  4. Step 4: Simplify right side
    11,769.60x = 118,469,167.49
  5. Step 5: Solve for x
    x = 118,469,167.49/11,769.60
  6. Step 6: Final answer
    x = 10,065.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.