Home / 14,097.11-19,452.86-8,128.42

Finding the Fourth Proportional to 14,097.11, 19,452.86 and 8,128.42

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Solution

The fourth proportional to 14,097.11, 19,452.86 and 8,128.42 is: 11,216.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,097.11 : 19,452.86 = 8,128.42 : x
  2. Step 2: Convert to fraction form
    14,097.11/19,452.86 = 8,128.42/x
  3. Step 3: Cross multiply
    14,097.11x = 19,452.86 × 8,128.42
  4. Step 4: Simplify right side
    14,097.11x = 158,120,975.64
  5. Step 5: Solve for x
    x = 158,120,975.64/14,097.11
  6. Step 6: Final answer
    x = 11,216.55

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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.