Home / 11,067.10-15,270.87-6,350.47

Finding the Fourth Proportional to 11,067.10, 15,270.87 and 6,350.47

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Solution

The fourth proportional to 11,067.10, 15,270.87 and 6,350.47 is: 8,762.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,067.10 : 15,270.87 = 6,350.47 : x
  2. Step 2: Convert to fraction form
    11,067.10/15,270.87 = 6,350.47/x
  3. Step 3: Cross multiply
    11,067.10x = 15,270.87 × 6,350.47
  4. Step 4: Simplify right side
    11,067.10x = 96,977,201.81
  5. Step 5: Solve for x
    x = 96,977,201.81/11,067.10
  6. Step 6: Final answer
    x = 8,762.66

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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.