Home / 16,878.15-25,317.84-6,347.21

Finding the Fourth Proportional to 16,878.15, 25,317.84 and 6,347.21

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Solution

The fourth proportional to 16,878.15, 25,317.84 and 6,347.21 is: 9,521.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.15 : 25,317.84 = 6,347.21 : x
  2. Step 2: Convert to fraction form
    16,878.15/25,317.84 = 6,347.21/x
  3. Step 3: Cross multiply
    16,878.15x = 25,317.84 × 6,347.21
  4. Step 4: Simplify right side
    16,878.15x = 160,697,488.90
  5. Step 5: Solve for x
    x = 160,697,488.90/16,878.15
  6. Step 6: Final answer
    x = 9,521.04

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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.