Home / 11,423.06-17,135.80-3,103.19

Finding the Fourth Proportional to 11,423.06, 17,135.80 and 3,103.19

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Solution

The fourth proportional to 11,423.06, 17,135.80 and 3,103.19 is: 4,655.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.06 : 17,135.80 = 3,103.19 : x
  2. Step 2: Convert to fraction form
    11,423.06/17,135.80 = 3,103.19/x
  3. Step 3: Cross multiply
    11,423.06x = 17,135.80 × 3,103.19
  4. Step 4: Simplify right side
    11,423.06x = 53,175,727.87
  5. Step 5: Solve for x
    x = 53,175,727.87/11,423.06
  6. Step 6: Final answer
    x = 4,655.12

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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.