Home / 15,517.12-23,267.40-8,103.64

Finding the Fourth Proportional to 15,517.12, 23,267.40 and 8,103.64

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Solution

The fourth proportional to 15,517.12, 23,267.40 and 8,103.64 is: 12,151.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.12 : 23,267.40 = 8,103.64 : x
  2. Step 2: Convert to fraction form
    15,517.12/23,267.40 = 8,103.64/x
  3. Step 3: Cross multiply
    15,517.12x = 23,267.40 × 8,103.64
  4. Step 4: Simplify right side
    15,517.12x = 188,550,633.34
  5. Step 5: Solve for x
    x = 188,550,633.34/15,517.12
  6. Step 6: Final answer
    x = 12,151.14

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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.