Home / 18,644.16-25,728.99-10,260.66

Finding the Fourth Proportional to 18,644.16, 25,728.99 and 10,260.66

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Solution

The fourth proportional to 18,644.16, 25,728.99 and 10,260.66 is: 14,159.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,644.16 : 25,728.99 = 10,260.66 : x
  2. Step 2: Convert to fraction form
    18,644.16/25,728.99 = 10,260.66/x
  3. Step 3: Cross multiply
    18,644.16x = 25,728.99 × 10,260.66
  4. Step 4: Simplify right side
    18,644.16x = 263,996,238.59
  5. Step 5: Solve for x
    x = 263,996,238.59/18,644.16
  6. Step 6: Final answer
    x = 14,159.73

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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.