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Finding the Fourth Proportional to 17,448.78, 24,079.95 and 9,998.22

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Solution

The fourth proportional to 17,448.78, 24,079.95 and 9,998.22 is: 13,797.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,448.78 : 24,079.95 = 9,998.22 : x
  2. Step 2: Convert to fraction form
    17,448.78/24,079.95 = 9,998.22/x
  3. Step 3: Cross multiply
    17,448.78x = 24,079.95 × 9,998.22
  4. Step 4: Simplify right side
    17,448.78x = 240,756,637.69
  5. Step 5: Solve for x
    x = 240,756,637.69/17,448.78
  6. Step 6: Final answer
    x = 13,797.91

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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.