Home / 11,894.42-16,343.28-11,126.54

Finding the Fourth Proportional to 11,894.42, 16,343.28 and 11,126.54

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Solution

The fourth proportional to 11,894.42, 16,343.28 and 11,126.54 is: 15,288.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,894.42 : 16,343.28 = 11,126.54 : x
  2. Step 2: Convert to fraction form
    11,894.42/16,343.28 = 11,126.54/x
  3. Step 3: Cross multiply
    11,894.42x = 16,343.28 × 11,126.54
  4. Step 4: Simplify right side
    11,894.42x = 181,844,158.65
  5. Step 5: Solve for x
    x = 181,844,158.65/11,894.42
  6. Step 6: Final answer
    x = 15,288.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.