Home / 10,927.68-15,080.99-6,679.54

Finding the Fourth Proportional to 10,927.68, 15,080.99 and 6,679.54

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Solution

The fourth proportional to 10,927.68, 15,080.99 and 6,679.54 is: 9,218.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.68 : 15,080.99 = 6,679.54 : x
  2. Step 2: Convert to fraction form
    10,927.68/15,080.99 = 6,679.54/x
  3. Step 3: Cross multiply
    10,927.68x = 15,080.99 × 6,679.54
  4. Step 4: Simplify right side
    10,927.68x = 100,734,061.40
  5. Step 5: Solve for x
    x = 100,734,061.40/10,927.68
  6. Step 6: Final answer
    x = 9,218.25

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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.