Home / 10,634.28-15,943.92-4,392.42

Finding the Fourth Proportional to 10,634.28, 15,943.92 and 4,392.42

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Solution

The fourth proportional to 10,634.28, 15,943.92 and 4,392.42 is: 6,585.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,634.28 : 15,943.92 = 4,392.42 : x
  2. Step 2: Convert to fraction form
    10,634.28/15,943.92 = 4,392.42/x
  3. Step 3: Cross multiply
    10,634.28x = 15,943.92 × 4,392.42
  4. Step 4: Simplify right side
    10,634.28x = 70,032,393.09
  5. Step 5: Solve for x
    x = 70,032,393.09/10,634.28
  6. Step 6: Final answer
    x = 6,585.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.