Home / 18,369.16-25,350.09-11,294.21

Finding the Fourth Proportional to 18,369.16, 25,350.09 and 11,294.21

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Solution

The fourth proportional to 18,369.16, 25,350.09 and 11,294.21 is: 15,586.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,369.16 : 25,350.09 = 11,294.21 : x
  2. Step 2: Convert to fraction form
    18,369.16/25,350.09 = 11,294.21/x
  3. Step 3: Cross multiply
    18,369.16x = 25,350.09 × 11,294.21
  4. Step 4: Simplify right side
    18,369.16x = 286,309,239.98
  5. Step 5: Solve for x
    x = 286,309,239.98/18,369.16
  6. Step 6: Final answer
    x = 15,586.41

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Double scale
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Similar ratio
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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.