Home / 19,371.40-29,049.72-8,283.22

Finding the Fourth Proportional to 19,371.40, 29,049.72 and 8,283.22

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Solution

The fourth proportional to 19,371.40, 29,049.72 and 8,283.22 is: 12,421.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,371.40 : 29,049.72 = 8,283.22 : x
  2. Step 2: Convert to fraction form
    19,371.40/29,049.72 = 8,283.22/x
  3. Step 3: Cross multiply
    19,371.40x = 29,049.72 × 8,283.22
  4. Step 4: Simplify right side
    19,371.40x = 240,625,221.70
  5. Step 5: Solve for x
    x = 240,625,221.70/19,371.40
  6. Step 6: Final answer
    x = 12,421.67

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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.