Home / 16,888.06-25,337.56-8,121.84

Finding the Fourth Proportional to 16,888.06, 25,337.56 and 8,121.84

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Solution

The fourth proportional to 16,888.06, 25,337.56 and 8,121.84 is: 12,185.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,888.06 : 25,337.56 = 8,121.84 : x
  2. Step 2: Convert to fraction form
    16,888.06/25,337.56 = 8,121.84/x
  3. Step 3: Cross multiply
    16,888.06x = 25,337.56 × 8,121.84
  4. Step 4: Simplify right side
    16,888.06x = 205,787,608.31
  5. Step 5: Solve for x
    x = 205,787,608.31/16,888.06
  6. Step 6: Final answer
    x = 12,185.39

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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.