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Finding the Fourth Proportional to 9,934.20, 14,951.73 and 7,481.40

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Solution

The fourth proportional to 9,934.20, 14,951.73 and 7,481.40 is: 11,260.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,934.20 : 14,951.73 = 7,481.40 : x
  2. Step 2: Convert to fraction form
    9,934.20/14,951.73 = 7,481.40/x
  3. Step 3: Cross multiply
    9,934.20x = 14,951.73 × 7,481.40
  4. Step 4: Simplify right side
    9,934.20x = 111,859,872.82
  5. Step 5: Solve for x
    x = 111,859,872.82/9,934.20
  6. Step 6: Final answer
    x = 11,260.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.