Home / 11,444.60-17,138.10-7,527.80

Finding the Fourth Proportional to 11,444.60, 17,138.10 and 7,527.80

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Solution

The fourth proportional to 11,444.60, 17,138.10 and 7,527.80 is: 11,272.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,444.60 : 17,138.10 = 7,527.80 : x
  2. Step 2: Convert to fraction form
    11,444.60/17,138.10 = 7,527.80/x
  3. Step 3: Cross multiply
    11,444.60x = 17,138.10 × 7,527.80
  4. Step 4: Simplify right side
    11,444.60x = 129,012,189.18
  5. Step 5: Solve for x
    x = 129,012,189.18/11,444.60
  6. Step 6: Final answer
    x = 11,272.76

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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.