Home / 11,142.83-15,377.01-6,107.33

Finding the Fourth Proportional to 11,142.83, 15,377.01 and 6,107.33

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Solution

The fourth proportional to 11,142.83, 15,377.01 and 6,107.33 is: 8,428.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142.83 : 15,377.01 = 6,107.33 : x
  2. Step 2: Convert to fraction form
    11,142.83/15,377.01 = 6,107.33/x
  3. Step 3: Cross multiply
    11,142.83x = 15,377.01 × 6,107.33
  4. Step 4: Simplify right side
    11,142.83x = 93,912,474.48
  5. Step 5: Solve for x
    x = 93,912,474.48/11,142.83
  6. Step 6: Final answer
    x = 8,428.06

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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.