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Finding the Fourth Proportional to 11,558.78, 15,951.02 and 6,523.04

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Solution

The fourth proportional to 11,558.78, 15,951.02 and 6,523.04 is: 9,001.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,558.78 : 15,951.02 = 6,523.04 : x
  2. Step 2: Convert to fraction form
    11,558.78/15,951.02 = 6,523.04/x
  3. Step 3: Cross multiply
    11,558.78x = 15,951.02 × 6,523.04
  4. Step 4: Simplify right side
    11,558.78x = 104,049,141.50
  5. Step 5: Solve for x
    x = 104,049,141.50/11,558.78
  6. Step 6: Final answer
    x = 9,001.74

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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.