Home / 22,445.47-30,976.13-12,373.92

Finding the Fourth Proportional to 22,445.47, 30,976.13 and 12,373.92

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Solution

The fourth proportional to 22,445.47, 30,976.13 and 12,373.92 is: 17,076.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,445.47 : 30,976.13 = 12,373.92 : x
  2. Step 2: Convert to fraction form
    22,445.47/30,976.13 = 12,373.92/x
  3. Step 3: Cross multiply
    22,445.47x = 30,976.13 × 12,373.92
  4. Step 4: Simplify right side
    22,445.47x = 383,296,154.53
  5. Step 5: Solve for x
    x = 383,296,154.53/22,445.47
  6. Step 6: Final answer
    x = 17,076.77

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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.