Home / 8,073.36-11,142.36-6,744.96

Finding the Fourth Proportional to 8,073.36, 11,142.36 and 6,744.96

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Solution

The fourth proportional to 8,073.36, 11,142.36 and 6,744.96 is: 9,308.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.36 : 11,142.36 = 6,744.96 : x
  2. Step 2: Convert to fraction form
    8,073.36/11,142.36 = 6,744.96/x
  3. Step 3: Cross multiply
    8,073.36x = 11,142.36 × 6,744.96
  4. Step 4: Simplify right side
    8,073.36x = 75,154,772.51
  5. Step 5: Solve for x
    x = 75,154,772.51/8,073.36
  6. Step 6: Final answer
    x = 9,308.98

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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.