Home / 11,234.25-16,765.95-9,988.73

Finding the Fourth Proportional to 11,234.25, 16,765.95 and 9,988.73

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Solution

The fourth proportional to 11,234.25, 16,765.95 and 9,988.73 is: 14,907.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,234.25 : 16,765.95 = 9,988.73 : x
  2. Step 2: Convert to fraction form
    11,234.25/16,765.95 = 9,988.73/x
  3. Step 3: Cross multiply
    11,234.25x = 16,765.95 × 9,988.73
  4. Step 4: Simplify right side
    11,234.25x = 167,470,453.88
  5. Step 5: Solve for x
    x = 167,470,453.88/11,234.25
  6. Step 6: Final answer
    x = 14,907.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.