Home / 18,612.28-25,684.63-10,114.54

Finding the Fourth Proportional to 18,612.28, 25,684.63 and 10,114.54

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Solution

The fourth proportional to 18,612.28, 25,684.63 and 10,114.54 is: 13,957.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612.28 : 25,684.63 = 10,114.54 : x
  2. Step 2: Convert to fraction form
    18,612.28/25,684.63 = 10,114.54/x
  3. Step 3: Cross multiply
    18,612.28x = 25,684.63 × 10,114.54
  4. Step 4: Simplify right side
    18,612.28x = 259,788,217.52
  5. Step 5: Solve for x
    x = 259,788,217.52/18,612.28
  6. Step 6: Final answer
    x = 13,957.89

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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.