Home / 11,251.60-15,527.04-6,471.40

Finding the Fourth Proportional to 11,251.60, 15,527.04 and 6,471.40

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Solution

The fourth proportional to 11,251.60, 15,527.04 and 6,471.40 is: 8,930.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.60 : 15,527.04 = 6,471.40 : x
  2. Step 2: Convert to fraction form
    11,251.60/15,527.04 = 6,471.40/x
  3. Step 3: Cross multiply
    11,251.60x = 15,527.04 × 6,471.40
  4. Step 4: Simplify right side
    11,251.60x = 100,481,686.66
  5. Step 5: Solve for x
    x = 100,481,686.66/11,251.60
  6. Step 6: Final answer
    x = 8,930.44

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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.