Home / 10,912.01-15,057.32-6,131.30

Finding the Fourth Proportional to 10,912.01, 15,057.32 and 6,131.30

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Solution

The fourth proportional to 10,912.01, 15,057.32 and 6,131.30 is: 8,460.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.01 : 15,057.32 = 6,131.30 : x
  2. Step 2: Convert to fraction form
    10,912.01/15,057.32 = 6,131.30/x
  3. Step 3: Cross multiply
    10,912.01x = 15,057.32 × 6,131.30
  4. Step 4: Simplify right side
    10,912.01x = 92,320,840.17
  5. Step 5: Solve for x
    x = 92,320,840.17/10,912.01
  6. Step 6: Final answer
    x = 8,460.48

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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.