Home / 11,165.28-15,408.03-6,060.80

Finding the Fourth Proportional to 11,165.28, 15,408.03 and 6,060.80

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Solution

The fourth proportional to 11,165.28, 15,408.03 and 6,060.80 is: 8,363.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.28 : 15,408.03 = 6,060.80 : x
  2. Step 2: Convert to fraction form
    11,165.28/15,408.03 = 6,060.80/x
  3. Step 3: Cross multiply
    11,165.28x = 15,408.03 × 6,060.80
  4. Step 4: Simplify right side
    11,165.28x = 93,384,957.60
  5. Step 5: Solve for x
    x = 93,384,957.60/11,165.28
  6. Step 6: Final answer
    x = 8,363.87

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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.