Home / 22,182.52-30,612.78-12,111.64

Finding the Fourth Proportional to 22,182.52, 30,612.78 and 12,111.64

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Solution

The fourth proportional to 22,182.52, 30,612.78 and 12,111.64 is: 16,714.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.52 : 30,612.78 = 12,111.64 : x
  2. Step 2: Convert to fraction form
    22,182.52/30,612.78 = 12,111.64/x
  3. Step 3: Cross multiply
    22,182.52x = 30,612.78 × 12,111.64
  4. Step 4: Simplify right side
    22,182.52x = 370,770,970.76
  5. Step 5: Solve for x
    x = 370,770,970.76/22,182.52
  6. Step 6: Final answer
    x = 16,714.56

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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.