Home / 20,352.18-30,519.15-8,497.14

Finding the Fourth Proportional to 20,352.18, 30,519.15 and 8,497.14

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Solution

The fourth proportional to 20,352.18, 30,519.15 and 8,497.14 is: 12,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,352.18 : 30,519.15 = 8,497.14 : x
  2. Step 2: Convert to fraction form
    20,352.18/30,519.15 = 8,497.14/x
  3. Step 3: Cross multiply
    20,352.18x = 30,519.15 × 8,497.14
  4. Step 4: Simplify right side
    20,352.18x = 259,325,490.23
  5. Step 5: Solve for x
    x = 259,325,490.23/20,352.18
  6. Step 6: Final answer
    x = 12,741.90

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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.