Home / 22,182.60-30,610.68-12,751.20

Finding the Fourth Proportional to 22,182.60, 30,610.68 and 12,751.20

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Solution

The fourth proportional to 22,182.60, 30,610.68 and 12,751.20 is: 17,595.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.60 : 30,610.68 = 12,751.20 : x
  2. Step 2: Convert to fraction form
    22,182.60/30,610.68 = 12,751.20/x
  3. Step 3: Cross multiply
    22,182.60x = 30,610.68 × 12,751.20
  4. Step 4: Simplify right side
    22,182.60x = 390,322,902.82
  5. Step 5: Solve for x
    x = 390,322,902.82/22,182.60
  6. Step 6: Final answer
    x = 17,595.90

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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.