Home / 20,253.97-30,371.53-6,210.39

Finding the Fourth Proportional to 20,253.97, 30,371.53 and 6,210.39

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Solution

The fourth proportional to 20,253.97, 30,371.53 and 6,210.39 is: 9,312.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253.97 : 30,371.53 = 6,210.39 : x
  2. Step 2: Convert to fraction form
    20,253.97/30,371.53 = 6,210.39/x
  3. Step 3: Cross multiply
    20,253.97x = 30,371.53 × 6,210.39
  4. Step 4: Simplify right side
    20,253.97x = 188,619,046.20
  5. Step 5: Solve for x
    x = 188,619,046.20/20,253.97
  6. Step 6: Final answer
    x = 9,312.70

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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.