Home / 11,277.39-15,551.82-10,169.91

Finding the Fourth Proportional to 11,277.39, 15,551.82 and 10,169.91

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Solution

The fourth proportional to 11,277.39, 15,551.82 and 10,169.91 is: 14,024.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.39 : 15,551.82 = 10,169.91 : x
  2. Step 2: Convert to fraction form
    11,277.39/15,551.82 = 10,169.91/x
  3. Step 3: Cross multiply
    11,277.39x = 15,551.82 × 10,169.91
  4. Step 4: Simplify right side
    11,277.39x = 158,160,609.74
  5. Step 5: Solve for x
    x = 158,160,609.74/11,277.39
  6. Step 6: Final answer
    x = 14,024.58

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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.