Home / 11,612.51-17,418.72-3,292.59

Finding the Fourth Proportional to 11,612.51, 17,418.72 and 3,292.59

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Solution

The fourth proportional to 11,612.51, 17,418.72 and 3,292.59 is: 4,938.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.51 : 17,418.72 = 3,292.59 : x
  2. Step 2: Convert to fraction form
    11,612.51/17,418.72 = 3,292.59/x
  3. Step 3: Cross multiply
    11,612.51x = 17,418.72 × 3,292.59
  4. Step 4: Simplify right side
    11,612.51x = 57,352,703.28
  5. Step 5: Solve for x
    x = 57,352,703.28/11,612.51
  6. Step 6: Final answer
    x = 4,938.87

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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.