Home / 10,660.25-15,983.54-4,424.56

Finding the Fourth Proportional to 10,660.25, 15,983.54 and 4,424.56

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Solution

The fourth proportional to 10,660.25, 15,983.54 and 4,424.56 is: 6,634.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.25 : 15,983.54 = 4,424.56 : x
  2. Step 2: Convert to fraction form
    10,660.25/15,983.54 = 4,424.56/x
  3. Step 3: Cross multiply
    10,660.25x = 15,983.54 × 4,424.56
  4. Step 4: Simplify right side
    10,660.25x = 70,720,131.74
  5. Step 5: Solve for x
    x = 70,720,131.74/10,660.25
  6. Step 6: Final answer
    x = 6,634.00

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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.