Home / 18,879.07-26,053.13-10,381.33

Finding the Fourth Proportional to 18,879.07, 26,053.13 and 10,381.33

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Solution

The fourth proportional to 18,879.07, 26,053.13 and 10,381.33 is: 14,326.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,879.07 : 26,053.13 = 10,381.33 : x
  2. Step 2: Convert to fraction form
    18,879.07/26,053.13 = 10,381.33/x
  3. Step 3: Cross multiply
    18,879.07x = 26,053.13 × 10,381.33
  4. Step 4: Simplify right side
    18,879.07x = 270,466,140.06
  5. Step 5: Solve for x
    x = 270,466,140.06/18,879.07
  6. Step 6: Final answer
    x = 14,326.24

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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.