Home / 22,319.60-30,801.37-12,247.86

Finding the Fourth Proportional to 22,319.60, 30,801.37 and 12,247.86

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Solution

The fourth proportional to 22,319.60, 30,801.37 and 12,247.86 is: 16,902.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,319.60 : 30,801.37 = 12,247.86 : x
  2. Step 2: Convert to fraction form
    22,319.60/30,801.37 = 12,247.86/x
  3. Step 3: Cross multiply
    22,319.60x = 30,801.37 × 12,247.86
  4. Step 4: Simplify right side
    22,319.60x = 377,250,867.57
  5. Step 5: Solve for x
    x = 377,250,867.57/22,319.60
  6. Step 6: Final answer
    x = 16,902.22

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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.