Home / 20,326.28-30,467.18-10,466.15

Finding the Fourth Proportional to 20,326.28, 30,467.18 and 10,466.15

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Solution

The fourth proportional to 20,326.28, 30,467.18 and 10,466.15 is: 15,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,326.28 : 30,467.18 = 10,466.15 : x
  2. Step 2: Convert to fraction form
    20,326.28/30,467.18 = 10,466.15/x
  3. Step 3: Cross multiply
    20,326.28x = 30,467.18 × 10,466.15
  4. Step 4: Simplify right side
    20,326.28x = 318,874,178.29
  5. Step 5: Solve for x
    x = 318,874,178.29/20,326.28
  6. Step 6: Final answer
    x = 15,687.78

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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.