Home / 22,319.20-30,801.41-13,364.92

Finding the Fourth Proportional to 22,319.20, 30,801.41 and 13,364.92

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Solution

The fourth proportional to 22,319.20, 30,801.41 and 13,364.92 is: 18,444.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,319.20 : 30,801.41 = 13,364.92 : x
  2. Step 2: Convert to fraction form
    22,319.20/30,801.41 = 13,364.92/x
  3. Step 3: Cross multiply
    22,319.20x = 30,801.41 × 13,364.92
  4. Step 4: Simplify right side
    22,319.20x = 411,658,380.54
  5. Step 5: Solve for x
    x = 411,658,380.54/22,319.20
  6. Step 6: Final answer
    x = 18,444.14

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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.