Home / 21,042.11-31,568.02-6,250.70

Finding the Fourth Proportional to 21,042.11, 31,568.02 and 6,250.70

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Solution

The fourth proportional to 21,042.11, 31,568.02 and 6,250.70 is: 9,377.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,042.11 : 31,568.02 = 6,250.70 : x
  2. Step 2: Convert to fraction form
    21,042.11/31,568.02 = 6,250.70/x
  3. Step 3: Cross multiply
    21,042.11x = 31,568.02 × 6,250.70
  4. Step 4: Simplify right side
    21,042.11x = 197,322,049.15
  5. Step 5: Solve for x
    x = 197,322,049.15/21,042.11
  6. Step 6: Final answer
    x = 9,377.49

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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.