Home / 8,110.65-12,142.43-7,266.53

Finding the Fourth Proportional to 8,110.65, 12,142.43 and 7,266.53

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Solution

The fourth proportional to 8,110.65, 12,142.43 and 7,266.53 is: 10,878.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.65 : 12,142.43 = 7,266.53 : x
  2. Step 2: Convert to fraction form
    8,110.65/12,142.43 = 7,266.53/x
  3. Step 3: Cross multiply
    8,110.65x = 12,142.43 × 7,266.53
  4. Step 4: Simplify right side
    8,110.65x = 88,233,234.82
  5. Step 5: Solve for x
    x = 88,233,234.82/8,110.65
  6. Step 6: Final answer
    x = 10,878.69

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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.