Home / 11,712.23-17,569.27-3,392.38

Finding the Fourth Proportional to 11,712.23, 17,569.27 and 3,392.38

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Solution

The fourth proportional to 11,712.23, 17,569.27 and 3,392.38 is: 5,088.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712.23 : 17,569.27 = 3,392.38 : x
  2. Step 2: Convert to fraction form
    11,712.23/17,569.27 = 3,392.38/x
  3. Step 3: Cross multiply
    11,712.23x = 17,569.27 × 3,392.38
  4. Step 4: Simplify right side
    11,712.23x = 59,601,640.16
  5. Step 5: Solve for x
    x = 59,601,640.16/11,712.23
  6. Step 6: Final answer
    x = 5,088.84

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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.