Home / 8,033.18-11,990.93-7,086.30

Finding the Fourth Proportional to 8,033.18, 11,990.93 and 7,086.30

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Solution

The fourth proportional to 8,033.18, 11,990.93 and 7,086.30 is: 10,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,033.18 : 11,990.93 = 7,086.30 : x
  2. Step 2: Convert to fraction form
    8,033.18/11,990.93 = 7,086.30/x
  3. Step 3: Cross multiply
    8,033.18x = 11,990.93 × 7,086.30
  4. Step 4: Simplify right side
    8,033.18x = 84,971,327.26
  5. Step 5: Solve for x
    x = 84,971,327.26/8,033.18
  6. Step 6: Final answer
    x = 10,577.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.