Home / 18,766.50-25,891.48-10,808.54

Finding the Fourth Proportional to 18,766.50, 25,891.48 and 10,808.54

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Solution

The fourth proportional to 18,766.50, 25,891.48 and 10,808.54 is: 14,912.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.50 : 25,891.48 = 10,808.54 : x
  2. Step 2: Convert to fraction form
    18,766.50/25,891.48 = 10,808.54/x
  3. Step 3: Cross multiply
    18,766.50x = 25,891.48 × 10,808.54
  4. Step 4: Simplify right side
    18,766.50x = 279,849,097.24
  5. Step 5: Solve for x
    x = 279,849,097.24/18,766.50
  6. Step 6: Final answer
    x = 14,912.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.