Home / 12,468.36-17,192.18-9,287.19

Finding the Fourth Proportional to 12,468.36, 17,192.18 and 9,287.19

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Solution

The fourth proportional to 12,468.36, 17,192.18 and 9,287.19 is: 12,805.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.36 : 17,192.18 = 9,287.19 : x
  2. Step 2: Convert to fraction form
    12,468.36/17,192.18 = 9,287.19/x
  3. Step 3: Cross multiply
    12,468.36x = 17,192.18 × 9,287.19
  4. Step 4: Simplify right side
    12,468.36x = 159,667,065.39
  5. Step 5: Solve for x
    x = 159,667,065.39/12,468.36
  6. Step 6: Final answer
    x = 12,805.78

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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.