Home / 16,812.60-25,197.30-10,231.80

Finding the Fourth Proportional to 16,812.60, 25,197.30 and 10,231.80

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Solution

The fourth proportional to 16,812.60, 25,197.30 and 10,231.80 is: 15,334.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.60 : 25,197.30 = 10,231.80 : x
  2. Step 2: Convert to fraction form
    16,812.60/25,197.30 = 10,231.80/x
  3. Step 3: Cross multiply
    16,812.60x = 25,197.30 × 10,231.80
  4. Step 4: Simplify right side
    16,812.60x = 257,813,734.14
  5. Step 5: Solve for x
    x = 257,813,734.14/16,812.60
  6. Step 6: Final answer
    x = 15,334.55

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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.