Home / 22,225.92-30,670.88-12,154.30

Finding the Fourth Proportional to 22,225.92, 30,670.88 and 12,154.30

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Solution

The fourth proportional to 22,225.92, 30,670.88 and 12,154.30 is: 16,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,225.92 : 30,670.88 = 12,154.30 : x
  2. Step 2: Convert to fraction form
    22,225.92/30,670.88 = 12,154.30/x
  3. Step 3: Cross multiply
    22,225.92x = 30,670.88 × 12,154.30
  4. Step 4: Simplify right side
    22,225.92x = 372,783,076.78
  5. Step 5: Solve for x
    x = 372,783,076.78/22,225.92
  6. Step 6: Final answer
    x = 16,772.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.