Home / 22,424-30,948.09-14,489.30

Finding the Fourth Proportional to 22,424, 30,948.09 and 14,489.30

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Solution

The fourth proportional to 22,424, 30,948.09 and 14,489.30 is: 19,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,424 : 30,948.09 = 14,489.30 : x
  2. Step 2: Convert to fraction form
    22,424/30,948.09 = 14,489.30/x
  3. Step 3: Cross multiply
    22,424x = 30,948.09 × 14,489.30
  4. Step 4: Simplify right side
    22,424x = 448,416,160.44
  5. Step 5: Solve for x
    x = 448,416,160.44/22,424
  6. Step 6: Final answer
    x = 19,997.15

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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.