Home / 22,280.90-33,421.35-7,490.30

Finding the Fourth Proportional to 22,280.90, 33,421.35 and 7,490.30

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Solution

The fourth proportional to 22,280.90, 33,421.35 and 7,490.30 is: 11,235.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,280.90 : 33,421.35 = 7,490.30 : x
  2. Step 2: Convert to fraction form
    22,280.90/33,421.35 = 7,490.30/x
  3. Step 3: Cross multiply
    22,280.90x = 33,421.35 × 7,490.30
  4. Step 4: Simplify right side
    22,280.90x = 250,335,937.91
  5. Step 5: Solve for x
    x = 250,335,937.91/22,280.90
  6. Step 6: Final answer
    x = 11,235.45

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Similar ratio
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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.