Home / 13,969.13-20,967.46-10,260.95

Finding the Fourth Proportional to 13,969.13, 20,967.46 and 10,260.95

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Solution

The fourth proportional to 13,969.13, 20,967.46 and 10,260.95 is: 15,401.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.13 : 20,967.46 = 10,260.95 : x
  2. Step 2: Convert to fraction form
    13,969.13/20,967.46 = 10,260.95/x
  3. Step 3: Cross multiply
    13,969.13x = 20,967.46 × 10,260.95
  4. Step 4: Simplify right side
    13,969.13x = 215,145,902.54
  5. Step 5: Solve for x
    x = 215,145,902.54/13,969.13
  6. Step 6: Final answer
    x = 15,401.53

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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.