Home / 16,822.90-25,234.35-5,134.60

Finding the Fourth Proportional to 16,822.90, 25,234.35 and 5,134.60

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Solution

The fourth proportional to 16,822.90, 25,234.35 and 5,134.60 is: 7,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,822.90 : 25,234.35 = 5,134.60 : x
  2. Step 2: Convert to fraction form
    16,822.90/25,234.35 = 5,134.60/x
  3. Step 3: Cross multiply
    16,822.90x = 25,234.35 × 5,134.60
  4. Step 4: Simplify right side
    16,822.90x = 129,568,293.51
  5. Step 5: Solve for x
    x = 129,568,293.51/16,822.90
  6. Step 6: Final answer
    x = 7,701.90

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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.