Home / 17,620.65-24,317.21-9,663.17

Finding the Fourth Proportional to 17,620.65, 24,317.21 and 9,663.17

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Solution

The fourth proportional to 17,620.65, 24,317.21 and 9,663.17 is: 13,335.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620.65 : 24,317.21 = 9,663.17 : x
  2. Step 2: Convert to fraction form
    17,620.65/24,317.21 = 9,663.17/x
  3. Step 3: Cross multiply
    17,620.65x = 24,317.21 × 9,663.17
  4. Step 4: Simplify right side
    17,620.65x = 234,981,164.25
  5. Step 5: Solve for x
    x = 234,981,164.25/17,620.65
  6. Step 6: Final answer
    x = 13,335.56

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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.