Home / 11,308.48-16,970.82-8,377.96

Finding the Fourth Proportional to 11,308.48, 16,970.82 and 8,377.96

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Solution

The fourth proportional to 11,308.48, 16,970.82 and 8,377.96 is: 12,572.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,308.48 : 16,970.82 = 8,377.96 : x
  2. Step 2: Convert to fraction form
    11,308.48/16,970.82 = 8,377.96/x
  3. Step 3: Cross multiply
    11,308.48x = 16,970.82 × 8,377.96
  4. Step 4: Simplify right side
    11,308.48x = 142,180,851.13
  5. Step 5: Solve for x
    x = 142,180,851.13/11,308.48
  6. Step 6: Final answer
    x = 12,572.94

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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.