Home / 13,765.30-20,649.32-4,402.97

Finding the Fourth Proportional to 13,765.30, 20,649.32 and 4,402.97

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Solution

The fourth proportional to 13,765.30, 20,649.32 and 4,402.97 is: 6,604.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,765.30 : 20,649.32 = 4,402.97 : x
  2. Step 2: Convert to fraction form
    13,765.30/20,649.32 = 4,402.97/x
  3. Step 3: Cross multiply
    13,765.30x = 20,649.32 × 4,402.97
  4. Step 4: Simplify right side
    13,765.30x = 90,918,288.65
  5. Step 5: Solve for x
    x = 90,918,288.65/13,765.30
  6. Step 6: Final answer
    x = 6,604.89

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1.5x scale

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.