Home / 10,343.54-15,523.11-7,577.30

Finding the Fourth Proportional to 10,343.54, 15,523.11 and 7,577.30

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Solution

The fourth proportional to 10,343.54, 15,523.11 and 7,577.30 is: 11,371.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.54 : 15,523.11 = 7,577.30 : x
  2. Step 2: Convert to fraction form
    10,343.54/15,523.11 = 7,577.30/x
  3. Step 3: Cross multiply
    10,343.54x = 15,523.11 × 7,577.30
  4. Step 4: Simplify right side
    10,343.54x = 117,623,183.79
  5. Step 5: Solve for x
    x = 117,623,183.79/10,343.54
  6. Step 6: Final answer
    x = 11,371.65

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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.