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Finding the Fourth Proportional to 10,925.44, 15,077.60 and 5,957.44

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Solution

The fourth proportional to 10,925.44, 15,077.60 and 5,957.44 is: 8,221.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.44 : 15,077.60 = 5,957.44 : x
  2. Step 2: Convert to fraction form
    10,925.44/15,077.60 = 5,957.44/x
  3. Step 3: Cross multiply
    10,925.44x = 15,077.60 × 5,957.44
  4. Step 4: Simplify right side
    10,925.44x = 89,823,897.34
  5. Step 5: Solve for x
    x = 89,823,897.34/10,925.44
  6. Step 6: Final answer
    x = 8,221.54

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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.