Home / 9,471.26-14,189.58-7,991.09

Finding the Fourth Proportional to 9,471.26, 14,189.58 and 7,991.09

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Solution

The fourth proportional to 9,471.26, 14,189.58 and 7,991.09 is: 11,972.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,471.26 : 14,189.58 = 7,991.09 : x
  2. Step 2: Convert to fraction form
    9,471.26/14,189.58 = 7,991.09/x
  3. Step 3: Cross multiply
    9,471.26x = 14,189.58 × 7,991.09
  4. Step 4: Simplify right side
    9,471.26x = 113,390,193.11
  5. Step 5: Solve for x
    x = 113,390,193.11/9,471.26
  6. Step 6: Final answer
    x = 11,972.03

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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.