Home / 18,712.06-28,068.90-6,233.20

Finding the Fourth Proportional to 18,712.06, 28,068.90 and 6,233.20

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Solution

The fourth proportional to 18,712.06, 28,068.90 and 6,233.20 is: 9,350.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,712.06 : 28,068.90 = 6,233.20 : x
  2. Step 2: Convert to fraction form
    18,712.06/28,068.90 = 6,233.20/x
  3. Step 3: Cross multiply
    18,712.06x = 28,068.90 × 6,233.20
  4. Step 4: Simplify right side
    18,712.06x = 174,959,067.48
  5. Step 5: Solve for x
    x = 174,959,067.48/18,712.06
  6. Step 6: Final answer
    x = 9,350.07

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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.