Home / 12,444.62-18,657.63-5,423.29

Finding the Fourth Proportional to 12,444.62, 18,657.63 and 5,423.29

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Solution

The fourth proportional to 12,444.62, 18,657.63 and 5,423.29 is: 8,130.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.62 : 18,657.63 = 5,423.29 : x
  2. Step 2: Convert to fraction form
    12,444.62/18,657.63 = 5,423.29/x
  3. Step 3: Cross multiply
    12,444.62x = 18,657.63 × 5,423.29
  4. Step 4: Simplify right side
    12,444.62x = 101,185,691.56
  5. Step 5: Solve for x
    x = 101,185,691.56/12,444.62
  6. Step 6: Final answer
    x = 8,130.88

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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.