Home / 20,515.01-30,772.52-6,476.13

Finding the Fourth Proportional to 20,515.01, 30,772.52 and 6,476.13

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Solution

The fourth proportional to 20,515.01, 30,772.52 and 6,476.13 is: 9,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,515.01 : 30,772.52 = 6,476.13 : x
  2. Step 2: Convert to fraction form
    20,515.01/30,772.52 = 6,476.13/x
  3. Step 3: Cross multiply
    20,515.01x = 30,772.52 × 6,476.13
  4. Step 4: Simplify right side
    20,515.01x = 199,286,839.95
  5. Step 5: Solve for x
    x = 199,286,839.95/20,515.01
  6. Step 6: Final answer
    x = 9,714.20

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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.