Home / 11,546.70-17,320.05-4,151.40

Finding the Fourth Proportional to 11,546.70, 17,320.05 and 4,151.40

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Solution

The fourth proportional to 11,546.70, 17,320.05 and 4,151.40 is: 6,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,546.70 : 17,320.05 = 4,151.40 : x
  2. Step 2: Convert to fraction form
    11,546.70/17,320.05 = 4,151.40/x
  3. Step 3: Cross multiply
    11,546.70x = 17,320.05 × 4,151.40
  4. Step 4: Simplify right side
    11,546.70x = 71,902,455.57
  5. Step 5: Solve for x
    x = 71,902,455.57/11,546.70
  6. Step 6: Final answer
    x = 6,227.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.