Home / 22,712.15-34,052.81-11,609.78

Finding the Fourth Proportional to 22,712.15, 34,052.81 and 11,609.78

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Solution

The fourth proportional to 22,712.15, 34,052.81 and 11,609.78 is: 17,406.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712.15 : 34,052.81 = 11,609.78 : x
  2. Step 2: Convert to fraction form
    22,712.15/34,052.81 = 11,609.78/x
  3. Step 3: Cross multiply
    22,712.15x = 34,052.81 × 11,609.78
  4. Step 4: Simplify right side
    22,712.15x = 395,345,595.72
  5. Step 5: Solve for x
    x = 395,345,595.72/22,712.15
  6. Step 6: Final answer
    x = 17,406.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.