Home / 11,572.12-17,274.41-10,170.88

Finding the Fourth Proportional to 11,572.12, 17,274.41 and 10,170.88

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Solution

The fourth proportional to 11,572.12, 17,274.41 and 10,170.88 is: 15,182.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.12 : 17,274.41 = 10,170.88 : x
  2. Step 2: Convert to fraction form
    11,572.12/17,274.41 = 10,170.88/x
  3. Step 3: Cross multiply
    11,572.12x = 17,274.41 × 10,170.88
  4. Step 4: Simplify right side
    11,572.12x = 175,695,951.18
  5. Step 5: Solve for x
    x = 175,695,951.18/11,572.12
  6. Step 6: Final answer
    x = 15,182.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.