Home / 16,689.24-25,015.64-6,816.76

Finding the Fourth Proportional to 16,689.24, 25,015.64 and 6,816.76

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Solution

The fourth proportional to 16,689.24, 25,015.64 and 6,816.76 is: 10,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,689.24 : 25,015.64 = 6,816.76 : x
  2. Step 2: Convert to fraction form
    16,689.24/25,015.64 = 6,816.76/x
  3. Step 3: Cross multiply
    16,689.24x = 25,015.64 × 6,816.76
  4. Step 4: Simplify right side
    16,689.24x = 170,525,517.50
  5. Step 5: Solve for x
    x = 170,525,517.50/16,689.24
  6. Step 6: Final answer
    x = 10,217.69

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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.