Home / 11,226.30-16,839.45-4,657.20

Finding the Fourth Proportional to 11,226.30, 16,839.45 and 4,657.20

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Solution

The fourth proportional to 11,226.30, 16,839.45 and 4,657.20 is: 6,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.30 : 16,839.45 = 4,657.20 : x
  2. Step 2: Convert to fraction form
    11,226.30/16,839.45 = 4,657.20/x
  3. Step 3: Cross multiply
    11,226.30x = 16,839.45 × 4,657.20
  4. Step 4: Simplify right side
    11,226.30x = 78,424,686.54
  5. Step 5: Solve for x
    x = 78,424,686.54/11,226.30
  6. Step 6: Final answer
    x = 6,985.80

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Similar ratio
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1.5x scale

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.