Home / 16,986.42-25,481.79-5,298.66

Finding the Fourth Proportional to 16,986.42, 25,481.79 and 5,298.66

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Solution

The fourth proportional to 16,986.42, 25,481.79 and 5,298.66 is: 7,948.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.42 : 25,481.79 = 5,298.66 : x
  2. Step 2: Convert to fraction form
    16,986.42/25,481.79 = 5,298.66/x
  3. Step 3: Cross multiply
    16,986.42x = 25,481.79 × 5,298.66
  4. Step 4: Simplify right side
    16,986.42x = 135,019,341.40
  5. Step 5: Solve for x
    x = 135,019,341.40/16,986.42
  6. Step 6: Final answer
    x = 7,948.66

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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.