Home / 11,988.06-16,519.23-9,282.96

Finding the Fourth Proportional to 11,988.06, 16,519.23 and 9,282.96

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Solution

The fourth proportional to 11,988.06, 16,519.23 and 9,282.96 is: 12,791.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988.06 : 16,519.23 = 9,282.96 : x
  2. Step 2: Convert to fraction form
    11,988.06/16,519.23 = 9,282.96/x
  3. Step 3: Cross multiply
    11,988.06x = 16,519.23 × 9,282.96
  4. Step 4: Simplify right side
    11,988.06x = 153,347,351.32
  5. Step 5: Solve for x
    x = 153,347,351.32/11,988.06
  6. Step 6: Final answer
    x = 12,791.67

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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.