Home / 22,363.30-30,861.38-12,291.74

Finding the Fourth Proportional to 22,363.30, 30,861.38 and 12,291.74

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Solution

The fourth proportional to 22,363.30, 30,861.38 and 12,291.74 is: 16,962.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,363.30 : 30,861.38 = 12,291.74 : x
  2. Step 2: Convert to fraction form
    22,363.30/30,861.38 = 12,291.74/x
  3. Step 3: Cross multiply
    22,363.30x = 30,861.38 × 12,291.74
  4. Step 4: Simplify right side
    22,363.30x = 379,340,059.00
  5. Step 5: Solve for x
    x = 379,340,059.00/22,363.30
  6. Step 6: Final answer
    x = 16,962.62

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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.