Home / 10,080.44-15,088.30-5,388.72

Finding the Fourth Proportional to 10,080.44, 15,088.30 and 5,388.72

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Solution

The fourth proportional to 10,080.44, 15,088.30 and 5,388.72 is: 8,065.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.44 : 15,088.30 = 5,388.72 : x
  2. Step 2: Convert to fraction form
    10,080.44/15,088.30 = 5,388.72/x
  3. Step 3: Cross multiply
    10,080.44x = 15,088.30 × 5,388.72
  4. Step 4: Simplify right side
    10,080.44x = 81,306,623.98
  5. Step 5: Solve for x
    x = 81,306,623.98/10,080.44
  6. Step 6: Final answer
    x = 8,065.78

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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.