Home / 11,816.18-17,718.85-3,493.23

Finding the Fourth Proportional to 11,816.18, 17,718.85 and 3,493.23

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Solution

The fourth proportional to 11,816.18, 17,718.85 and 3,493.23 is: 5,238.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.18 : 17,718.85 = 3,493.23 : x
  2. Step 2: Convert to fraction form
    11,816.18/17,718.85 = 3,493.23/x
  3. Step 3: Cross multiply
    11,816.18x = 17,718.85 × 3,493.23
  4. Step 4: Simplify right side
    11,816.18x = 61,895,956.31
  5. Step 5: Solve for x
    x = 61,895,956.31/11,816.18
  6. Step 6: Final answer
    x = 5,238.24

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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.