Home / 16,878.24-25,317.42-5,191.38

Finding the Fourth Proportional to 16,878.24, 25,317.42 and 5,191.38

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Solution

The fourth proportional to 16,878.24, 25,317.42 and 5,191.38 is: 7,787.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.24 : 25,317.42 = 5,191.38 : x
  2. Step 2: Convert to fraction form
    16,878.24/25,317.42 = 5,191.38/x
  3. Step 3: Cross multiply
    16,878.24x = 25,317.42 × 5,191.38
  4. Step 4: Simplify right side
    16,878.24x = 131,432,347.84
  5. Step 5: Solve for x
    x = 131,432,347.84/16,878.24
  6. Step 6: Final answer
    x = 7,787.09

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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.