Home / 18,917.12-26,098.52-10,956.44

Finding the Fourth Proportional to 18,917.12, 26,098.52 and 10,956.44

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Solution

The fourth proportional to 18,917.12, 26,098.52 and 10,956.44 is: 15,115.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,917.12 : 26,098.52 = 10,956.44 : x
  2. Step 2: Convert to fraction form
    18,917.12/26,098.52 = 10,956.44/x
  3. Step 3: Cross multiply
    18,917.12x = 26,098.52 × 10,956.44
  4. Step 4: Simplify right side
    18,917.12x = 285,946,868.47
  5. Step 5: Solve for x
    x = 285,946,868.47/18,917.12
  6. Step 6: Final answer
    x = 15,115.77

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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.