Home / 8,017.76-11,997.48-6,618.08

Finding the Fourth Proportional to 8,017.76, 11,997.48 and 6,618.08

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Solution

The fourth proportional to 8,017.76, 11,997.48 and 6,618.08 is: 9,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,017.76 : 11,997.48 = 6,618.08 : x
  2. Step 2: Convert to fraction form
    8,017.76/11,997.48 = 6,618.08/x
  3. Step 3: Cross multiply
    8,017.76x = 11,997.48 × 6,618.08
  4. Step 4: Simplify right side
    8,017.76x = 79,400,282.44
  5. Step 5: Solve for x
    x = 79,400,282.44/8,017.76
  6. Step 6: Final answer
    x = 9,903.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.