Home / 13,294.91-19,942.37-9,122.27

Finding the Fourth Proportional to 13,294.91, 19,942.37 and 9,122.27

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Solution

The fourth proportional to 13,294.91, 19,942.37 and 9,122.27 is: 13,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.91 : 19,942.37 = 9,122.27 : x
  2. Step 2: Convert to fraction form
    13,294.91/19,942.37 = 9,122.27/x
  3. Step 3: Cross multiply
    13,294.91x = 19,942.37 × 9,122.27
  4. Step 4: Simplify right side
    13,294.91x = 181,919,610.92
  5. Step 5: Solve for x
    x = 181,919,610.92/13,294.91
  6. Step 6: Final answer
    x = 13,683.40

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Similar ratio
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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.