Home / 14,775.53-20,387.45-8,807.76

Finding the Fourth Proportional to 14,775.53, 20,387.45 and 8,807.76

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Solution

The fourth proportional to 14,775.53, 20,387.45 and 8,807.76 is: 12,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,775.53 : 20,387.45 = 8,807.76 : x
  2. Step 2: Convert to fraction form
    14,775.53/20,387.45 = 8,807.76/x
  3. Step 3: Cross multiply
    14,775.53x = 20,387.45 × 8,807.76
  4. Step 4: Simplify right side
    14,775.53x = 179,567,766.61
  5. Step 5: Solve for x
    x = 179,567,766.61/14,775.53
  6. Step 6: Final answer
    x = 12,153.05

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Double scale
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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.