Home / 22,448.68-30,972.31-13,015.36

Finding the Fourth Proportional to 22,448.68, 30,972.31 and 13,015.36

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Solution

The fourth proportional to 22,448.68, 30,972.31 and 13,015.36 is: 17,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,448.68 : 30,972.31 = 13,015.36 : x
  2. Step 2: Convert to fraction form
    22,448.68/30,972.31 = 13,015.36/x
  3. Step 3: Cross multiply
    22,448.68x = 30,972.31 × 13,015.36
  4. Step 4: Simplify right side
    22,448.68x = 403,115,764.68
  5. Step 5: Solve for x
    x = 403,115,764.68/22,448.68
  6. Step 6: Final answer
    x = 17,957.21

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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.