Home / 22,332.78-30,819.58-12,261.08

Finding the Fourth Proportional to 22,332.78, 30,819.58 and 12,261.08

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Solution

The fourth proportional to 22,332.78, 30,819.58 and 12,261.08 is: 16,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,332.78 : 30,819.58 = 12,261.08 : x
  2. Step 2: Convert to fraction form
    22,332.78/30,819.58 = 12,261.08/x
  3. Step 3: Cross multiply
    22,332.78x = 30,819.58 × 12,261.08
  4. Step 4: Simplify right side
    22,332.78x = 377,881,335.95
  5. Step 5: Solve for x
    x = 377,881,335.95/22,332.78
  6. Step 6: Final answer
    x = 16,920.48

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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.