Home / 22,350.76-30,844.60-12,279.86

Finding the Fourth Proportional to 22,350.76, 30,844.60 and 12,279.86

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Solution

The fourth proportional to 22,350.76, 30,844.60 and 12,279.86 is: 16,946.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,350.76 : 30,844.60 = 12,279.86 : x
  2. Step 2: Convert to fraction form
    22,350.76/30,844.60 = 12,279.86/x
  3. Step 3: Cross multiply
    22,350.76x = 30,844.60 × 12,279.86
  4. Step 4: Simplify right side
    22,350.76x = 378,767,154.13
  5. Step 5: Solve for x
    x = 378,767,154.13/22,350.76
  6. Step 6: Final answer
    x = 16,946.50

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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.