Home / 18,878.14-26,052.51-10,380.91

Finding the Fourth Proportional to 18,878.14, 26,052.51 and 10,380.91

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Solution

The fourth proportional to 18,878.14, 26,052.51 and 10,380.91 is: 14,326.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878.14 : 26,052.51 = 10,380.91 : x
  2. Step 2: Convert to fraction form
    18,878.14/26,052.51 = 10,380.91/x
  3. Step 3: Cross multiply
    18,878.14x = 26,052.51 × 10,380.91
  4. Step 4: Simplify right side
    18,878.14x = 270,448,761.58
  5. Step 5: Solve for x
    x = 270,448,761.58/18,878.14
  6. Step 6: Final answer
    x = 14,326.03

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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.