Home / 16,878.06-25,319.84-5,191.29

Finding the Fourth Proportional to 16,878.06, 25,319.84 and 5,191.29

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Solution

The fourth proportional to 16,878.06, 25,319.84 and 5,191.29 is: 7,787.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.06 : 25,319.84 = 5,191.29 : x
  2. Step 2: Convert to fraction form
    16,878.06/25,319.84 = 5,191.29/x
  3. Step 3: Cross multiply
    16,878.06x = 25,319.84 × 5,191.29
  4. Step 4: Simplify right side
    16,878.06x = 131,442,606.24
  5. Step 5: Solve for x
    x = 131,442,606.24/16,878.06
  6. Step 6: Final answer
    x = 7,787.78

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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.