Home / 22,344.16-30,849.38-13,855.30

Finding the Fourth Proportional to 22,344.16, 30,849.38 and 13,855.30

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Solution

The fourth proportional to 22,344.16, 30,849.38 and 13,855.30 is: 19,129.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,344.16 : 30,849.38 = 13,855.30 : x
  2. Step 2: Convert to fraction form
    22,344.16/30,849.38 = 13,855.30/x
  3. Step 3: Cross multiply
    22,344.16x = 30,849.38 × 13,855.30
  4. Step 4: Simplify right side
    22,344.16x = 427,427,414.71
  5. Step 5: Solve for x
    x = 427,427,414.71/22,344.16
  6. Step 6: Final answer
    x = 19,129.27

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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.