Home / 12,882.24-19,329.57-6,642.54

Finding the Fourth Proportional to 12,882.24, 19,329.57 and 6,642.54

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Solution

The fourth proportional to 12,882.24, 19,329.57 and 6,642.54 is: 9,967.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882.24 : 19,329.57 = 6,642.54 : x
  2. Step 2: Convert to fraction form
    12,882.24/19,329.57 = 6,642.54/x
  3. Step 3: Cross multiply
    12,882.24x = 19,329.57 × 6,642.54
  4. Step 4: Simplify right side
    12,882.24x = 128,397,441.91
  5. Step 5: Solve for x
    x = 128,397,441.91/12,882.24
  6. Step 6: Final answer
    x = 9,967.01

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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.