Home / 18,649.13-25,736.34-10,151.80

Finding the Fourth Proportional to 18,649.13, 25,736.34 and 10,151.80

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Solution

The fourth proportional to 18,649.13, 25,736.34 and 10,151.80 is: 14,009.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,649.13 : 25,736.34 = 10,151.80 : x
  2. Step 2: Convert to fraction form
    18,649.13/25,736.34 = 10,151.80/x
  3. Step 3: Cross multiply
    18,649.13x = 25,736.34 × 10,151.80
  4. Step 4: Simplify right side
    18,649.13x = 261,270,125.65
  5. Step 5: Solve for x
    x = 261,270,125.65/18,649.13
  6. Step 6: Final answer
    x = 14,009.78

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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.