Home / 11,534.40-17,292.72-7,826.88

Finding the Fourth Proportional to 11,534.40, 17,292.72 and 7,826.88

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Solution

The fourth proportional to 11,534.40, 17,292.72 and 7,826.88 is: 11,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,534.40 : 17,292.72 = 7,826.88 : x
  2. Step 2: Convert to fraction form
    11,534.40/17,292.72 = 7,826.88/x
  3. Step 3: Cross multiply
    11,534.40x = 17,292.72 × 7,826.88
  4. Step 4: Simplify right side
    11,534.40x = 135,348,044.31
  5. Step 5: Solve for x
    x = 135,348,044.31/11,534.40
  6. Step 6: Final answer
    x = 11,734.29

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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.