Home / 18,598.20-25,665.72-10,640.76

Finding the Fourth Proportional to 18,598.20, 25,665.72 and 10,640.76

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Solution

The fourth proportional to 18,598.20, 25,665.72 and 10,640.76 is: 14,684.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,598.20 : 25,665.72 = 10,640.76 : x
  2. Step 2: Convert to fraction form
    18,598.20/25,665.72 = 10,640.76/x
  3. Step 3: Cross multiply
    18,598.20x = 25,665.72 × 10,640.76
  4. Step 4: Simplify right side
    18,598.20x = 273,102,766.75
  5. Step 5: Solve for x
    x = 273,102,766.75/18,598.20
  6. Step 6: Final answer
    x = 14,684.37

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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.