Home / 22,722.13-34,083.20-7,139.75

Finding the Fourth Proportional to 22,722.13, 34,083.20 and 7,139.75

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Solution

The fourth proportional to 22,722.13, 34,083.20 and 7,139.75 is: 10,709.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,722.13 : 34,083.20 = 7,139.75 : x
  2. Step 2: Convert to fraction form
    22,722.13/34,083.20 = 7,139.75/x
  3. Step 3: Cross multiply
    22,722.13x = 34,083.20 × 7,139.75
  4. Step 4: Simplify right side
    22,722.13x = 243,345,527.20
  5. Step 5: Solve for x
    x = 243,345,527.20/22,722.13
  6. Step 6: Final answer
    x = 10,709.63

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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.