Home / 15,206.55-22,781.88-8,969.96

Finding the Fourth Proportional to 15,206.55, 22,781.88 and 8,969.96

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Solution

The fourth proportional to 15,206.55, 22,781.88 and 8,969.96 is: 13,438.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,206.55 : 22,781.88 = 8,969.96 : x
  2. Step 2: Convert to fraction form
    15,206.55/22,781.88 = 8,969.96/x
  3. Step 3: Cross multiply
    15,206.55x = 22,781.88 × 8,969.96
  4. Step 4: Simplify right side
    15,206.55x = 204,352,438.42
  5. Step 5: Solve for x
    x = 204,352,438.42/15,206.55
  6. Step 6: Final answer
    x = 13,438.45

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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.