Home / 12,371.36-18,559.40-4,976.42

Finding the Fourth Proportional to 12,371.36, 18,559.40 and 4,976.42

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Solution

The fourth proportional to 12,371.36, 18,559.40 and 4,976.42 is: 7,465.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.36 : 18,559.40 = 4,976.42 : x
  2. Step 2: Convert to fraction form
    12,371.36/18,559.40 = 4,976.42/x
  3. Step 3: Cross multiply
    12,371.36x = 18,559.40 × 4,976.42
  4. Step 4: Simplify right side
    12,371.36x = 92,359,251.67
  5. Step 5: Solve for x
    x = 92,359,251.67/12,371.36
  6. Step 6: Final answer
    x = 7,465.57

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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.