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Finding the Fourth Proportional to 9,951.74, 13,733.05 and 5,475.44

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Solution

The fourth proportional to 9,951.74, 13,733.05 and 5,475.44 is: 7,555.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,951.74 : 13,733.05 = 5,475.44 : x
  2. Step 2: Convert to fraction form
    9,951.74/13,733.05 = 5,475.44/x
  3. Step 3: Cross multiply
    9,951.74x = 13,733.05 × 5,475.44
  4. Step 4: Simplify right side
    9,951.74x = 75,194,491.29
  5. Step 5: Solve for x
    x = 75,194,491.29/9,951.74
  6. Step 6: Final answer
    x = 7,555.91

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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.