Home / 9,839.58-14,751.11-7,986.09

Finding the Fourth Proportional to 9,839.58, 14,751.11 and 7,986.09

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Solution

The fourth proportional to 9,839.58, 14,751.11 and 7,986.09 is: 11,972.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839.58 : 14,751.11 = 7,986.09 : x
  2. Step 2: Convert to fraction form
    9,839.58/14,751.11 = 7,986.09/x
  3. Step 3: Cross multiply
    9,839.58x = 14,751.11 × 7,986.09
  4. Step 4: Simplify right side
    9,839.58x = 117,803,767.34
  5. Step 5: Solve for x
    x = 117,803,767.34/9,839.58
  6. Step 6: Final answer
    x = 11,972.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.