Home / 18,693.76-28,039.68-5,546.24

Finding the Fourth Proportional to 18,693.76, 28,039.68 and 5,546.24

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Solution

The fourth proportional to 18,693.76, 28,039.68 and 5,546.24 is: 8,319.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693.76 : 28,039.68 = 5,546.24 : x
  2. Step 2: Convert to fraction form
    18,693.76/28,039.68 = 5,546.24/x
  3. Step 3: Cross multiply
    18,693.76x = 28,039.68 × 5,546.24
  4. Step 4: Simplify right side
    18,693.76x = 155,514,794.80
  5. Step 5: Solve for x
    x = 155,514,794.80/18,693.76
  6. Step 6: Final answer
    x = 8,319.08

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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.