Home / 11,252.52-15,539.85-9,029.07

Finding the Fourth Proportional to 11,252.52, 15,539.85 and 9,029.07

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Solution

The fourth proportional to 11,252.52, 15,539.85 and 9,029.07 is: 12,469.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,252.52 : 15,539.85 = 9,029.07 : x
  2. Step 2: Convert to fraction form
    11,252.52/15,539.85 = 9,029.07/x
  3. Step 3: Cross multiply
    11,252.52x = 15,539.85 × 9,029.07
  4. Step 4: Simplify right side
    11,252.52x = 140,310,393.44
  5. Step 5: Solve for x
    x = 140,310,393.44/11,252.52
  6. Step 6: Final answer
    x = 12,469.24

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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.