Home / 11,320.58-15,623.15-6,540.73

Finding the Fourth Proportional to 11,320.58, 15,623.15 and 6,540.73

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Solution

The fourth proportional to 11,320.58, 15,623.15 and 6,540.73 is: 9,026.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.58 : 15,623.15 = 6,540.73 : x
  2. Step 2: Convert to fraction form
    11,320.58/15,623.15 = 6,540.73/x
  3. Step 3: Cross multiply
    11,320.58x = 15,623.15 × 6,540.73
  4. Step 4: Simplify right side
    11,320.58x = 102,186,734.14
  5. Step 5: Solve for x
    x = 102,186,734.14/11,320.58
  6. Step 6: Final answer
    x = 9,026.63

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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.