Home / 13,371.74-20,077.05-9,872.54

Finding the Fourth Proportional to 13,371.74, 20,077.05 and 9,872.54

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Solution

The fourth proportional to 13,371.74, 20,077.05 and 9,872.54 is: 14,823.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.74 : 20,077.05 = 9,872.54 : x
  2. Step 2: Convert to fraction form
    13,371.74/20,077.05 = 9,872.54/x
  3. Step 3: Cross multiply
    13,371.74x = 20,077.05 × 9,872.54
  4. Step 4: Simplify right side
    13,371.74x = 198,211,479.21
  5. Step 5: Solve for x
    x = 198,211,479.21/13,371.74
  6. Step 6: Final answer
    x = 14,823.16

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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.