Home / 11,799.98-16,279.34-6,761.50

Finding the Fourth Proportional to 11,799.98, 16,279.34 and 6,761.50

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Solution

The fourth proportional to 11,799.98, 16,279.34 and 6,761.50 is: 9,328.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,799.98 : 16,279.34 = 6,761.50 : x
  2. Step 2: Convert to fraction form
    11,799.98/16,279.34 = 6,761.50/x
  3. Step 3: Cross multiply
    11,799.98x = 16,279.34 × 6,761.50
  4. Step 4: Simplify right side
    11,799.98x = 110,072,757.41
  5. Step 5: Solve for x
    x = 110,072,757.41/11,799.98
  6. Step 6: Final answer
    x = 9,328.22

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1.5x scale

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.