Home / 13,460.31-20,190.60-3,600.99

Finding the Fourth Proportional to 13,460.31, 20,190.60 and 3,600.99

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Solution

The fourth proportional to 13,460.31, 20,190.60 and 3,600.99 is: 5,401.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.31 : 20,190.60 = 3,600.99 : x
  2. Step 2: Convert to fraction form
    13,460.31/20,190.60 = 3,600.99/x
  3. Step 3: Cross multiply
    13,460.31x = 20,190.60 × 3,600.99
  4. Step 4: Simplify right side
    13,460.31x = 72,706,148.69
  5. Step 5: Solve for x
    x = 72,706,148.69/13,460.31
  6. Step 6: Final answer
    x = 5,401.52

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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.