Home / 21,844.62-30,148.34-12,411.36

Finding the Fourth Proportional to 21,844.62, 30,148.34 and 12,411.36

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Solution

The fourth proportional to 21,844.62, 30,148.34 and 12,411.36 is: 17,129.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,844.62 : 30,148.34 = 12,411.36 : x
  2. Step 2: Convert to fraction form
    21,844.62/30,148.34 = 12,411.36/x
  3. Step 3: Cross multiply
    21,844.62x = 30,148.34 × 12,411.36
  4. Step 4: Simplify right side
    21,844.62x = 374,181,839.09
  5. Step 5: Solve for x
    x = 374,181,839.09/21,844.62
  6. Step 6: Final answer
    x = 17,129.24

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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.