Home / 11,329.61-15,700.91-11,170.98

Finding the Fourth Proportional to 11,329.61, 15,700.91 and 11,170.98

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Solution

The fourth proportional to 11,329.61, 15,700.91 and 11,170.98 is: 15,481.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.61 : 15,700.91 = 11,170.98 : x
  2. Step 2: Convert to fraction form
    11,329.61/15,700.91 = 11,170.98/x
  3. Step 3: Cross multiply
    11,329.61x = 15,700.91 × 11,170.98
  4. Step 4: Simplify right side
    11,329.61x = 175,394,495.74
  5. Step 5: Solve for x
    x = 175,394,495.74/11,329.61
  6. Step 6: Final answer
    x = 15,481.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.