Home / 10,080.91-15,121.36-5,493.07

Finding the Fourth Proportional to 10,080.91, 15,121.36 and 5,493.07

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Solution

The fourth proportional to 10,080.91, 15,121.36 and 5,493.07 is: 8,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.91 : 15,121.36 = 5,493.07 : x
  2. Step 2: Convert to fraction form
    10,080.91/15,121.36 = 5,493.07/x
  3. Step 3: Cross multiply
    10,080.91x = 15,121.36 × 5,493.07
  4. Step 4: Simplify right side
    10,080.91x = 83,062,688.98
  5. Step 5: Solve for x
    x = 83,062,688.98/10,080.91
  6. Step 6: Final answer
    x = 8,239.60

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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.