Home / 20,083.92-30,130.17-6,042.78

Finding the Fourth Proportional to 20,083.92, 30,130.17 and 6,042.78

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Solution

The fourth proportional to 20,083.92, 30,130.17 and 6,042.78 is: 9,065.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,083.92 : 30,130.17 = 6,042.78 : x
  2. Step 2: Convert to fraction form
    20,083.92/30,130.17 = 6,042.78/x
  3. Step 3: Cross multiply
    20,083.92x = 30,130.17 × 6,042.78
  4. Step 4: Simplify right side
    20,083.92x = 182,069,988.67
  5. Step 5: Solve for x
    x = 182,069,988.67/20,083.92
  6. Step 6: Final answer
    x = 9,065.46

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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.