Home / 22,142.85-33,191.20-9,659.53

Finding the Fourth Proportional to 22,142.85, 33,191.20 and 9,659.53

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Solution

The fourth proportional to 22,142.85, 33,191.20 and 9,659.53 is: 14,479.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,142.85 : 33,191.20 = 9,659.53 : x
  2. Step 2: Convert to fraction form
    22,142.85/33,191.20 = 9,659.53/x
  3. Step 3: Cross multiply
    22,142.85x = 33,191.20 × 9,659.53
  4. Step 4: Simplify right side
    22,142.85x = 320,611,392.14
  5. Step 5: Solve for x
    x = 320,611,392.14/22,142.85
  6. Step 6: Final answer
    x = 14,479.23

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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.