Home / 18,873.38-28,313.15-7,027.20

Finding the Fourth Proportional to 18,873.38, 28,313.15 and 7,027.20

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Solution

The fourth proportional to 18,873.38, 28,313.15 and 7,027.20 is: 10,541.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,873.38 : 28,313.15 = 7,027.20 : x
  2. Step 2: Convert to fraction form
    18,873.38/28,313.15 = 7,027.20/x
  3. Step 3: Cross multiply
    18,873.38x = 28,313.15 × 7,027.20
  4. Step 4: Simplify right side
    18,873.38x = 198,962,132.54
  5. Step 5: Solve for x
    x = 198,962,132.54/18,873.38
  6. Step 6: Final answer
    x = 10,541.94

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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.