Home / 14,766.03-20,377.17-8,478

Finding the Fourth Proportional to 14,766.03, 20,377.17 and 8,478

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Solution

The fourth proportional to 14,766.03, 20,377.17 and 8,478 is: 11,699.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,766.03 : 20,377.17 = 8,478 : x
  2. Step 2: Convert to fraction form
    14,766.03/20,377.17 = 8,478/x
  3. Step 3: Cross multiply
    14,766.03x = 20,377.17 × 8,478
  4. Step 4: Simplify right side
    14,766.03x = 172,757,647.26
  5. Step 5: Solve for x
    x = 172,757,647.26/14,766.03
  6. Step 6: Final answer
    x = 11,699.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.