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Finding the Fourth Proportional to 22,219.53, 33,320.93 and 9,064.86

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Solution

The fourth proportional to 22,219.53, 33,320.93 and 9,064.86 is: 13,593.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,219.53 : 33,320.93 = 9,064.86 : x
  2. Step 2: Convert to fraction form
    22,219.53/33,320.93 = 9,064.86/x
  3. Step 3: Cross multiply
    22,219.53x = 33,320.93 × 9,064.86
  4. Step 4: Simplify right side
    22,219.53x = 302,049,520.20
  5. Step 5: Solve for x
    x = 302,049,520.20/22,219.53
  6. Step 6: Final answer
    x = 13,593.88

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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.