Home / 20,002.11-29,959.43-12,187.23

Finding the Fourth Proportional to 20,002.11, 29,959.43 and 12,187.23

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Solution

The fourth proportional to 20,002.11, 29,959.43 and 12,187.23 is: 18,254.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002.11 : 29,959.43 = 12,187.23 : x
  2. Step 2: Convert to fraction form
    20,002.11/29,959.43 = 12,187.23/x
  3. Step 3: Cross multiply
    20,002.11x = 29,959.43 × 12,187.23
  4. Step 4: Simplify right side
    20,002.11x = 365,122,403.14
  5. Step 5: Solve for x
    x = 365,122,403.14/20,002.11
  6. Step 6: Final answer
    x = 18,254.19

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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.