Home / 11,335.44-15,638.52-8,358.36

Finding the Fourth Proportional to 11,335.44, 15,638.52 and 8,358.36

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Solution

The fourth proportional to 11,335.44, 15,638.52 and 8,358.36 is: 11,531.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.44 : 15,638.52 = 8,358.36 : x
  2. Step 2: Convert to fraction form
    11,335.44/15,638.52 = 8,358.36/x
  3. Step 3: Cross multiply
    11,335.44x = 15,638.52 × 8,358.36
  4. Step 4: Simplify right side
    11,335.44x = 130,712,380.03
  5. Step 5: Solve for x
    x = 130,712,380.03/11,335.44
  6. Step 6: Final answer
    x = 11,531.30

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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.