Home / 19,838.58-27,377.46-10,885.83

Finding the Fourth Proportional to 19,838.58, 27,377.46 and 10,885.83

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Solution

The fourth proportional to 19,838.58, 27,377.46 and 10,885.83 is: 15,022.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.58 : 27,377.46 = 10,885.83 : x
  2. Step 2: Convert to fraction form
    19,838.58/27,377.46 = 10,885.83/x
  3. Step 3: Cross multiply
    19,838.58x = 27,377.46 × 10,885.83
  4. Step 4: Simplify right side
    19,838.58x = 298,026,375.39
  5. Step 5: Solve for x
    x = 298,026,375.39/19,838.58
  6. Step 6: Final answer
    x = 15,022.57

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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.