Home / 16,685.12-25,016.32-6,288

Finding the Fourth Proportional to 16,685.12, 25,016.32 and 6,288

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Solution

The fourth proportional to 16,685.12, 25,016.32 and 6,288 is: 9,427.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,685.12 : 25,016.32 = 6,288 : x
  2. Step 2: Convert to fraction form
    16,685.12/25,016.32 = 6,288/x
  3. Step 3: Cross multiply
    16,685.12x = 25,016.32 × 6,288
  4. Step 4: Simplify right side
    16,685.12x = 157,302,620.16
  5. Step 5: Solve for x
    x = 157,302,620.16/16,685.12
  6. Step 6: Final answer
    x = 9,427.72

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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.