Home / 11,190.67-15,443.50-6,155.10

Finding the Fourth Proportional to 11,190.67, 15,443.50 and 6,155.10

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Solution

The fourth proportional to 11,190.67, 15,443.50 and 6,155.10 is: 8,494.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.67 : 15,443.50 = 6,155.10 : x
  2. Step 2: Convert to fraction form
    11,190.67/15,443.50 = 6,155.10/x
  3. Step 3: Cross multiply
    11,190.67x = 15,443.50 × 6,155.10
  4. Step 4: Simplify right side
    11,190.67x = 95,056,340.85
  5. Step 5: Solve for x
    x = 95,056,340.85/11,190.67
  6. Step 6: Final answer
    x = 8,494.25

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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.