Home / 18,320.74-25,278.41-10,361.24

Finding the Fourth Proportional to 18,320.74, 25,278.41 and 10,361.24

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Solution

The fourth proportional to 18,320.74, 25,278.41 and 10,361.24 is: 14,296.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320.74 : 25,278.41 = 10,361.24 : x
  2. Step 2: Convert to fraction form
    18,320.74/25,278.41 = 10,361.24/x
  3. Step 3: Cross multiply
    18,320.74x = 25,278.41 × 10,361.24
  4. Step 4: Simplify right side
    18,320.74x = 261,915,672.83
  5. Step 5: Solve for x
    x = 261,915,672.83/18,320.74
  6. Step 6: Final answer
    x = 14,296.13

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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.