Home / 10,665.06-15,997.83-8,475.33

Finding the Fourth Proportional to 10,665.06, 15,997.83 and 8,475.33

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Solution

The fourth proportional to 10,665.06, 15,997.83 and 8,475.33 is: 12,713.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,665.06 : 15,997.83 = 8,475.33 : x
  2. Step 2: Convert to fraction form
    10,665.06/15,997.83 = 8,475.33/x
  3. Step 3: Cross multiply
    10,665.06x = 15,997.83 × 8,475.33
  4. Step 4: Simplify right side
    10,665.06x = 135,586,888.53
  5. Step 5: Solve for x
    x = 135,586,888.53/10,665.06
  6. Step 6: Final answer
    x = 12,713.19

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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.