Home / 10,765.36-16,148.16-3,839.92

Finding the Fourth Proportional to 10,765.36, 16,148.16 and 3,839.92

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Solution

The fourth proportional to 10,765.36, 16,148.16 and 3,839.92 is: 5,759.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,765.36 : 16,148.16 = 3,839.92 : x
  2. Step 2: Convert to fraction form
    10,765.36/16,148.16 = 3,839.92/x
  3. Step 3: Cross multiply
    10,765.36x = 16,148.16 × 3,839.92
  4. Step 4: Simplify right side
    10,765.36x = 62,007,642.55
  5. Step 5: Solve for x
    x = 62,007,642.55/10,765.36
  6. Step 6: Final answer
    x = 5,759.92

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1.5x scale

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.