Home / 20,158.32-30,227.88-7,008.96

Finding the Fourth Proportional to 20,158.32, 30,227.88 and 7,008.96

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Solution

The fourth proportional to 20,158.32, 30,227.88 and 7,008.96 is: 10,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158.32 : 30,227.88 = 7,008.96 : x
  2. Step 2: Convert to fraction form
    20,158.32/30,227.88 = 7,008.96/x
  3. Step 3: Cross multiply
    20,158.32x = 30,227.88 × 7,008.96
  4. Step 4: Simplify right side
    20,158.32x = 211,866,001.80
  5. Step 5: Solve for x
    x = 211,866,001.80/20,158.32
  6. Step 6: Final answer
    x = 10,510.10

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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.