Home / 10,112.94-15,177.17-6,942.94

Finding the Fourth Proportional to 10,112.94, 15,177.17 and 6,942.94

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Solution

The fourth proportional to 10,112.94, 15,177.17 and 6,942.94 is: 10,419.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.94 : 15,177.17 = 6,942.94 : x
  2. Step 2: Convert to fraction form
    10,112.94/15,177.17 = 6,942.94/x
  3. Step 3: Cross multiply
    10,112.94x = 15,177.17 × 6,942.94
  4. Step 4: Simplify right side
    10,112.94x = 105,374,160.09
  5. Step 5: Solve for x
    x = 105,374,160.09/10,112.94
  6. Step 6: Final answer
    x = 10,419.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.