Home / 11,189.82-15,442.40-6,711.93

Finding the Fourth Proportional to 11,189.82, 15,442.40 and 6,711.93

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Solution

The fourth proportional to 11,189.82, 15,442.40 and 6,711.93 is: 9,262.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.82 : 15,442.40 = 6,711.93 : x
  2. Step 2: Convert to fraction form
    11,189.82/15,442.40 = 6,711.93/x
  3. Step 3: Cross multiply
    11,189.82x = 15,442.40 × 6,711.93
  4. Step 4: Simplify right side
    11,189.82x = 103,648,274.27
  5. Step 5: Solve for x
    x = 103,648,274.27/11,189.82
  6. Step 6: Final answer
    x = 9,262.73

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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.