Home / 13,610.87-20,397.16-10,825.18

Finding the Fourth Proportional to 13,610.87, 20,397.16 and 10,825.18

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Solution

The fourth proportional to 13,610.87, 20,397.16 and 10,825.18 is: 16,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610.87 : 20,397.16 = 10,825.18 : x
  2. Step 2: Convert to fraction form
    13,610.87/20,397.16 = 10,825.18/x
  3. Step 3: Cross multiply
    13,610.87x = 20,397.16 × 10,825.18
  4. Step 4: Simplify right side
    13,610.87x = 220,802,928.49
  5. Step 5: Solve for x
    x = 220,802,928.49/13,610.87
  6. Step 6: Final answer
    x = 16,222.54

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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.