Home / 16,868.85-25,166.88-15,187.44

Finding the Fourth Proportional to 16,868.85, 25,166.88 and 15,187.44

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Solution

The fourth proportional to 16,868.85, 25,166.88 and 15,187.44 is: 22,658.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.85 : 25,166.88 = 15,187.44 : x
  2. Step 2: Convert to fraction form
    16,868.85/25,166.88 = 15,187.44/x
  3. Step 3: Cross multiply
    16,868.85x = 25,166.88 × 15,187.44
  4. Step 4: Simplify right side
    16,868.85x = 382,220,479.99
  5. Step 5: Solve for x
    x = 382,220,479.99/16,868.85
  6. Step 6: Final answer
    x = 22,658.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.