Home / 16,882.40-23,297.64-9,329.28

Finding the Fourth Proportional to 16,882.40, 23,297.64 and 9,329.28

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Solution

The fourth proportional to 16,882.40, 23,297.64 and 9,329.28 is: 12,874.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,882.40 : 23,297.64 = 9,329.28 : x
  2. Step 2: Convert to fraction form
    16,882.40/23,297.64 = 9,329.28/x
  3. Step 3: Cross multiply
    16,882.40x = 23,297.64 × 9,329.28
  4. Step 4: Simplify right side
    16,882.40x = 217,350,206.90
  5. Step 5: Solve for x
    x = 217,350,206.90/16,882.40
  6. Step 6: Final answer
    x = 12,874.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.