Home / 22,225.85-30,671.70-12,154.25

Finding the Fourth Proportional to 22,225.85, 30,671.70 and 12,154.25

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Solution

The fourth proportional to 22,225.85, 30,671.70 and 12,154.25 is: 16,772.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,225.85 : 30,671.70 = 12,154.25 : x
  2. Step 2: Convert to fraction form
    22,225.85/30,671.70 = 12,154.25/x
  3. Step 3: Cross multiply
    22,225.85x = 30,671.70 × 12,154.25
  4. Step 4: Simplify right side
    22,225.85x = 372,791,586.40
  5. Step 5: Solve for x
    x = 372,791,586.40/22,225.85
  6. Step 6: Final answer
    x = 16,772.89

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Half scale
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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.