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Finding the Fourth Proportional to 11,559, 15,951.45 and 6,253.86

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Solution

The fourth proportional to 11,559, 15,951.45 and 6,253.86 is: 8,630.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,559 : 15,951.45 = 6,253.86 : x
  2. Step 2: Convert to fraction form
    11,559/15,951.45 = 6,253.86/x
  3. Step 3: Cross multiply
    11,559x = 15,951.45 × 6,253.86
  4. Step 4: Simplify right side
    11,559x = 99,758,135.10
  5. Step 5: Solve for x
    x = 99,758,135.10/11,559
  6. Step 6: Final answer
    x = 8,630.34

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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.