Home / 10,401.39-15,600.90-2,610.18

Finding the Fourth Proportional to 10,401.39, 15,600.90 and 2,610.18

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Solution

The fourth proportional to 10,401.39, 15,600.90 and 2,610.18 is: 3,914.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401.39 : 15,600.90 = 2,610.18 : x
  2. Step 2: Convert to fraction form
    10,401.39/15,600.90 = 2,610.18/x
  3. Step 3: Cross multiply
    10,401.39x = 15,600.90 × 2,610.18
  4. Step 4: Simplify right side
    10,401.39x = 40,721,157.16
  5. Step 5: Solve for x
    x = 40,721,157.16/10,401.39
  6. Step 6: Final answer
    x = 3,914.97

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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.