Home / 18,438.94-25,444.43-10,884.88

Finding the Fourth Proportional to 18,438.94, 25,444.43 and 10,884.88

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Solution

The fourth proportional to 18,438.94, 25,444.43 and 10,884.88 is: 15,020.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438.94 : 25,444.43 = 10,884.88 : x
  2. Step 2: Convert to fraction form
    18,438.94/25,444.43 = 10,884.88/x
  3. Step 3: Cross multiply
    18,438.94x = 25,444.43 × 10,884.88
  4. Step 4: Simplify right side
    18,438.94x = 276,959,585.42
  5. Step 5: Solve for x
    x = 276,959,585.42/18,438.94
  6. Step 6: Final answer
    x = 15,020.36

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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.