Home / 22,145.06-30,560.76-13,652.79

Finding the Fourth Proportional to 22,145.06, 30,560.76 and 13,652.79

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Solution

The fourth proportional to 22,145.06, 30,560.76 and 13,652.79 is: 18,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,145.06 : 30,560.76 = 13,652.79 : x
  2. Step 2: Convert to fraction form
    22,145.06/30,560.76 = 13,652.79/x
  3. Step 3: Cross multiply
    22,145.06x = 30,560.76 × 13,652.79
  4. Step 4: Simplify right side
    22,145.06x = 417,239,523.92
  5. Step 5: Solve for x
    x = 417,239,523.92/22,145.06
  6. Step 6: Final answer
    x = 18,841.20

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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.