Home / 18,899.64-28,330.97-7,044.75

Finding the Fourth Proportional to 18,899.64, 28,330.97 and 7,044.75

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Solution

The fourth proportional to 18,899.64, 28,330.97 and 7,044.75 is: 10,560.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,899.64 : 28,330.97 = 7,044.75 : x
  2. Step 2: Convert to fraction form
    18,899.64/28,330.97 = 7,044.75/x
  3. Step 3: Cross multiply
    18,899.64x = 28,330.97 × 7,044.75
  4. Step 4: Simplify right side
    18,899.64x = 199,584,565.68
  5. Step 5: Solve for x
    x = 199,584,565.68/18,899.64
  6. Step 6: Final answer
    x = 10,560.23

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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.