Home / 18,753.03-28,143.38-8,892.33

Finding the Fourth Proportional to 18,753.03, 28,143.38 and 8,892.33

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Solution

The fourth proportional to 18,753.03, 28,143.38 and 8,892.33 is: 13,345.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,753.03 : 28,143.38 = 8,892.33 : x
  2. Step 2: Convert to fraction form
    18,753.03/28,143.38 = 8,892.33/x
  3. Step 3: Cross multiply
    18,753.03x = 28,143.38 × 8,892.33
  4. Step 4: Simplify right side
    18,753.03x = 250,260,222.28
  5. Step 5: Solve for x
    x = 250,260,222.28/18,753.03
  6. Step 6: Final answer
    x = 13,345.06

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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.