Home / 18,433.44-25,472.16-13,949.28

Finding the Fourth Proportional to 18,433.44, 25,472.16 and 13,949.28

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Solution

The fourth proportional to 18,433.44, 25,472.16 and 13,949.28 is: 19,275.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433.44 : 25,472.16 = 13,949.28 : x
  2. Step 2: Convert to fraction form
    18,433.44/25,472.16 = 13,949.28/x
  3. Step 3: Cross multiply
    18,433.44x = 25,472.16 × 13,949.28
  4. Step 4: Simplify right side
    18,433.44x = 355,318,292.04
  5. Step 5: Solve for x
    x = 355,318,292.04/18,433.44
  6. Step 6: Final answer
    x = 19,275.75

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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.