Home / 10,912.48-15,058.79-6,670.64

Finding the Fourth Proportional to 10,912.48, 15,058.79 and 6,670.64

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Solution

The fourth proportional to 10,912.48, 15,058.79 and 6,670.64 is: 9,205.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.48 : 15,058.79 = 6,670.64 : x
  2. Step 2: Convert to fraction form
    10,912.48/15,058.79 = 6,670.64/x
  3. Step 3: Cross multiply
    10,912.48x = 15,058.79 × 6,670.64
  4. Step 4: Simplify right side
    10,912.48x = 100,451,766.93
  5. Step 5: Solve for x
    x = 100,451,766.93/10,912.48
  6. Step 6: Final answer
    x = 9,205.22

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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.