Home / 11,150.75-15,387.57-6,677

Finding the Fourth Proportional to 11,150.75, 15,387.57 and 6,677

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Solution

The fourth proportional to 11,150.75, 15,387.57 and 6,677 is: 9,213.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.75 : 15,387.57 = 6,677 : x
  2. Step 2: Convert to fraction form
    11,150.75/15,387.57 = 6,677/x
  3. Step 3: Cross multiply
    11,150.75x = 15,387.57 × 6,677
  4. Step 4: Simplify right side
    11,150.75x = 102,742,804.89
  5. Step 5: Solve for x
    x = 102,742,804.89/11,150.75
  6. Step 6: Final answer
    x = 9,213.98

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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.