Home / 22,720.68-34,081.41-8,687.22

Finding the Fourth Proportional to 22,720.68, 34,081.41 and 8,687.22

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Solution

The fourth proportional to 22,720.68, 34,081.41 and 8,687.22 is: 13,030.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,720.68 : 34,081.41 = 8,687.22 : x
  2. Step 2: Convert to fraction form
    22,720.68/34,081.41 = 8,687.22/x
  3. Step 3: Cross multiply
    22,720.68x = 34,081.41 × 8,687.22
  4. Step 4: Simplify right side
    22,720.68x = 296,072,706.58
  5. Step 5: Solve for x
    x = 296,072,706.58/22,720.68
  6. Step 6: Final answer
    x = 13,030.98

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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.