Home / 14,517.12-21,775.68-5,758.20

Finding the Fourth Proportional to 14,517.12, 21,775.68 and 5,758.20

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Solution

The fourth proportional to 14,517.12, 21,775.68 and 5,758.20 is: 8,637.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517.12 : 21,775.68 = 5,758.20 : x
  2. Step 2: Convert to fraction form
    14,517.12/21,775.68 = 5,758.20/x
  3. Step 3: Cross multiply
    14,517.12x = 21,775.68 × 5,758.20
  4. Step 4: Simplify right side
    14,517.12x = 125,388,720.58
  5. Step 5: Solve for x
    x = 125,388,720.58/14,517.12
  6. Step 6: Final answer
    x = 8,637.30

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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.