Home / 16,991.93-25,487.90-5,306.15

Finding the Fourth Proportional to 16,991.93, 25,487.90 and 5,306.15

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Solution

The fourth proportional to 16,991.93, 25,487.90 and 5,306.15 is: 7,959.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.93 : 25,487.90 = 5,306.15 : x
  2. Step 2: Convert to fraction form
    16,991.93/25,487.90 = 5,306.15/x
  3. Step 3: Cross multiply
    16,991.93x = 25,487.90 × 5,306.15
  4. Step 4: Simplify right side
    16,991.93x = 135,242,677.67
  5. Step 5: Solve for x
    x = 135,242,677.67/16,991.93
  6. Step 6: Final answer
    x = 7,959.23

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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.