Home / 14,789.78-22,177.27-4,925.60

Finding the Fourth Proportional to 14,789.78, 22,177.27 and 4,925.60

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Solution

The fourth proportional to 14,789.78, 22,177.27 and 4,925.60 is: 7,385.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.78 : 22,177.27 = 4,925.60 : x
  2. Step 2: Convert to fraction form
    14,789.78/22,177.27 = 4,925.60/x
  3. Step 3: Cross multiply
    14,789.78x = 22,177.27 × 4,925.60
  4. Step 4: Simplify right side
    14,789.78x = 109,236,361.11
  5. Step 5: Solve for x
    x = 109,236,361.11/14,789.78
  6. Step 6: Final answer
    x = 7,385.94

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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.