Home / 14,786.64-20,391.89-11,019.06

Finding the Fourth Proportional to 14,786.64, 20,391.89 and 11,019.06

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Solution

The fourth proportional to 14,786.64, 20,391.89 and 11,019.06 is: 15,196.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,786.64 : 20,391.89 = 11,019.06 : x
  2. Step 2: Convert to fraction form
    14,786.64/20,391.89 = 11,019.06/x
  3. Step 3: Cross multiply
    14,786.64x = 20,391.89 × 11,019.06
  4. Step 4: Simplify right side
    14,786.64x = 224,699,404.33
  5. Step 5: Solve for x
    x = 224,699,404.33/14,786.64
  6. Step 6: Final answer
    x = 15,196.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.