Home / 18,878.57-26,052.44-10,380.83

Finding the Fourth Proportional to 18,878.57, 26,052.44 and 10,380.83

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Solution

The fourth proportional to 18,878.57, 26,052.44 and 10,380.83 is: 14,325.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878.57 : 26,052.44 = 10,380.83 : x
  2. Step 2: Convert to fraction form
    18,878.57/26,052.44 = 10,380.83/x
  3. Step 3: Cross multiply
    18,878.57x = 26,052.44 × 10,380.83
  4. Step 4: Simplify right side
    18,878.57x = 270,445,950.73
  5. Step 5: Solve for x
    x = 270,445,950.73/18,878.57
  6. Step 6: Final answer
    x = 14,325.55

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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.