Home / 10,623.40-15,910.79-5,080.63

Finding the Fourth Proportional to 10,623.40, 15,910.79 and 5,080.63

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Solution

The fourth proportional to 10,623.40, 15,910.79 and 5,080.63 is: 7,609.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,623.40 : 15,910.79 = 5,080.63 : x
  2. Step 2: Convert to fraction form
    10,623.40/15,910.79 = 5,080.63/x
  3. Step 3: Cross multiply
    10,623.40x = 15,910.79 × 5,080.63
  4. Step 4: Simplify right side
    10,623.40x = 80,836,837.00
  5. Step 5: Solve for x
    x = 80,836,837.00/10,623.40
  6. Step 6: Final answer
    x = 7,609.32

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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.