Home / 8,685.18-11,971.67-6,162.03

Finding the Fourth Proportional to 8,685.18, 11,971.67 and 6,162.03

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Solution

The fourth proportional to 8,685.18, 11,971.67 and 6,162.03 is: 8,493.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.18 : 11,971.67 = 6,162.03 : x
  2. Step 2: Convert to fraction form
    8,685.18/11,971.67 = 6,162.03/x
  3. Step 3: Cross multiply
    8,685.18x = 11,971.67 × 6,162.03
  4. Step 4: Simplify right side
    8,685.18x = 73,769,758.88
  5. Step 5: Solve for x
    x = 73,769,758.88/8,685.18
  6. Step 6: Final answer
    x = 8,493.75

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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.