Home / 21,062.72-31,566.78-8,568.24

Finding the Fourth Proportional to 21,062.72, 31,566.78 and 8,568.24

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Solution

The fourth proportional to 21,062.72, 31,566.78 and 8,568.24 is: 12,841.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062.72 : 31,566.78 = 8,568.24 : x
  2. Step 2: Convert to fraction form
    21,062.72/31,566.78 = 8,568.24/x
  3. Step 3: Cross multiply
    21,062.72x = 31,566.78 × 8,568.24
  4. Step 4: Simplify right side
    21,062.72x = 270,471,747.07
  5. Step 5: Solve for x
    x = 270,471,747.07/21,062.72
  6. Step 6: Final answer
    x = 12,841.26

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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.