Home / 11,349.44-17,020.70-9,122.99

Finding the Fourth Proportional to 11,349.44, 17,020.70 and 9,122.99

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Solution

The fourth proportional to 11,349.44, 17,020.70 and 9,122.99 is: 13,681.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.44 : 17,020.70 = 9,122.99 : x
  2. Step 2: Convert to fraction form
    11,349.44/17,020.70 = 9,122.99/x
  3. Step 3: Cross multiply
    11,349.44x = 17,020.70 × 9,122.99
  4. Step 4: Simplify right side
    11,349.44x = 155,279,741.25
  5. Step 5: Solve for x
    x = 155,279,741.25/11,349.44
  6. Step 6: Final answer
    x = 13,681.71

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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.