Home / 18,701.74-28,032.92-6,218.41

Finding the Fourth Proportional to 18,701.74, 28,032.92 and 6,218.41

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Solution

The fourth proportional to 18,701.74, 28,032.92 and 6,218.41 is: 9,321.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.74 : 28,032.92 = 6,218.41 : x
  2. Step 2: Convert to fraction form
    18,701.74/28,032.92 = 6,218.41/x
  3. Step 3: Cross multiply
    18,701.74x = 28,032.92 × 6,218.41
  4. Step 4: Simplify right side
    18,701.74x = 174,320,088.88
  5. Step 5: Solve for x
    x = 174,320,088.88/18,701.74
  6. Step 6: Final answer
    x = 9,321.06

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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.