Home / 13,494.96-18,626.39-9,195.16

Finding the Fourth Proportional to 13,494.96, 18,626.39 and 9,195.16

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Solution

The fourth proportional to 13,494.96, 18,626.39 and 9,195.16 is: 12,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494.96 : 18,626.39 = 9,195.16 : x
  2. Step 2: Convert to fraction form
    13,494.96/18,626.39 = 9,195.16/x
  3. Step 3: Cross multiply
    13,494.96x = 18,626.39 × 9,195.16
  4. Step 4: Simplify right side
    13,494.96x = 171,272,636.27
  5. Step 5: Solve for x
    x = 171,272,636.27/13,494.96
  6. Step 6: Final answer
    x = 12,691.60

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Double scale
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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.