Home / 10,540.15-15,809.92-2,748.96

Finding the Fourth Proportional to 10,540.15, 15,809.92 and 2,748.96

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Solution

The fourth proportional to 10,540.15, 15,809.92 and 2,748.96 is: 4,123.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.15 : 15,809.92 = 2,748.96 : x
  2. Step 2: Convert to fraction form
    10,540.15/15,809.92 = 2,748.96/x
  3. Step 3: Cross multiply
    10,540.15x = 15,809.92 × 2,748.96
  4. Step 4: Simplify right side
    10,540.15x = 43,460,830.81
  5. Step 5: Solve for x
    x = 43,460,830.81/10,540.15
  6. Step 6: Final answer
    x = 4,123.36

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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.