Home / 10,045.26-15,067.75-3,119.76

Finding the Fourth Proportional to 10,045.26, 15,067.75 and 3,119.76

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Solution

The fourth proportional to 10,045.26, 15,067.75 and 3,119.76 is: 4,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,045.26 : 15,067.75 = 3,119.76 : x
  2. Step 2: Convert to fraction form
    10,045.26/15,067.75 = 3,119.76/x
  3. Step 3: Cross multiply
    10,045.26x = 15,067.75 × 3,119.76
  4. Step 4: Simplify right side
    10,045.26x = 47,007,763.74
  5. Step 5: Solve for x
    x = 47,007,763.74/10,045.26
  6. Step 6: Final answer
    x = 4,679.60

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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.