Home / 15,162.03-20,923.43-8,448.42

Finding the Fourth Proportional to 15,162.03, 20,923.43 and 8,448.42

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Solution

The fourth proportional to 15,162.03, 20,923.43 and 8,448.42 is: 11,658.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,162.03 : 20,923.43 = 8,448.42 : x
  2. Step 2: Convert to fraction form
    15,162.03/20,923.43 = 8,448.42/x
  3. Step 3: Cross multiply
    15,162.03x = 20,923.43 × 8,448.42
  4. Step 4: Simplify right side
    15,162.03x = 176,769,882.24
  5. Step 5: Solve for x
    x = 176,769,882.24/15,162.03
  6. Step 6: Final answer
    x = 11,658.72

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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.