Home / 11,777.28-17,665.88-3,012.18

Finding the Fourth Proportional to 11,777.28, 17,665.88 and 3,012.18

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Solution

The fourth proportional to 11,777.28, 17,665.88 and 3,012.18 is: 4,518.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.28 : 17,665.88 = 3,012.18 : x
  2. Step 2: Convert to fraction form
    11,777.28/17,665.88 = 3,012.18/x
  3. Step 3: Cross multiply
    11,777.28x = 17,665.88 × 3,012.18
  4. Step 4: Simplify right side
    11,777.28x = 53,212,810.42
  5. Step 5: Solve for x
    x = 53,212,810.42/11,777.28
  6. Step 6: Final answer
    x = 4,518.26

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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.