Home / 11,137.30-15,369.50-6,101.71

Finding the Fourth Proportional to 11,137.30, 15,369.50 and 6,101.71

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Solution

The fourth proportional to 11,137.30, 15,369.50 and 6,101.71 is: 8,420.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.30 : 15,369.50 = 6,101.71 : x
  2. Step 2: Convert to fraction form
    11,137.30/15,369.50 = 6,101.71/x
  3. Step 3: Cross multiply
    11,137.30x = 15,369.50 × 6,101.71
  4. Step 4: Simplify right side
    11,137.30x = 93,780,231.85
  5. Step 5: Solve for x
    x = 93,780,231.85/11,137.30
  6. Step 6: Final answer
    x = 8,420.37

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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.