Home / 10,990.08-15,162.72-6,273.44

Finding the Fourth Proportional to 10,990.08, 15,162.72 and 6,273.44

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Solution

The fourth proportional to 10,990.08, 15,162.72 and 6,273.44 is: 8,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.08 : 15,162.72 = 6,273.44 : x
  2. Step 2: Convert to fraction form
    10,990.08/15,162.72 = 6,273.44/x
  3. Step 3: Cross multiply
    10,990.08x = 15,162.72 × 6,273.44
  4. Step 4: Simplify right side
    10,990.08x = 95,122,414.16
  5. Step 5: Solve for x
    x = 95,122,414.16/10,990.08
  6. Step 6: Final answer
    x = 8,655.30

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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.