Home / 9,113.55-13,676.40-4,180.65

Finding the Fourth Proportional to 9,113.55, 13,676.40 and 4,180.65

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Solution

The fourth proportional to 9,113.55, 13,676.40 and 4,180.65 is: 6,273.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.55 : 13,676.40 = 4,180.65 : x
  2. Step 2: Convert to fraction form
    9,113.55/13,676.40 = 4,180.65/x
  3. Step 3: Cross multiply
    9,113.55x = 13,676.40 × 4,180.65
  4. Step 4: Simplify right side
    9,113.55x = 57,176,241.66
  5. Step 5: Solve for x
    x = 57,176,241.66/9,113.55
  6. Step 6: Final answer
    x = 6,273.76

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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.