Home / 22,879.96-34,312.68-11,785.20

Finding the Fourth Proportional to 22,879.96, 34,312.68 and 11,785.20

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Solution

The fourth proportional to 22,879.96, 34,312.68 and 11,785.20 is: 17,674.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,879.96 : 34,312.68 = 11,785.20 : x
  2. Step 2: Convert to fraction form
    22,879.96/34,312.68 = 11,785.20/x
  3. Step 3: Cross multiply
    22,879.96x = 34,312.68 × 11,785.20
  4. Step 4: Simplify right side
    22,879.96x = 404,381,796.34
  5. Step 5: Solve for x
    x = 404,381,796.34/22,879.96
  6. Step 6: Final answer
    x = 17,674.06

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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.