Home / 10,118.94-15,177.86-3,881.94

Finding the Fourth Proportional to 10,118.94, 15,177.86 and 3,881.94

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Solution

The fourth proportional to 10,118.94, 15,177.86 and 3,881.94 is: 5,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.94 : 15,177.86 = 3,881.94 : x
  2. Step 2: Convert to fraction form
    10,118.94/15,177.86 = 3,881.94/x
  3. Step 3: Cross multiply
    10,118.94x = 15,177.86 × 3,881.94
  4. Step 4: Simplify right side
    10,118.94x = 58,919,541.85
  5. Step 5: Solve for x
    x = 58,919,541.85/10,118.94
  6. Step 6: Final answer
    x = 5,822.70

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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.