Home / 10,945.36-15,102.84-6,229.72

Finding the Fourth Proportional to 10,945.36, 15,102.84 and 6,229.72

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Solution

The fourth proportional to 10,945.36, 15,102.84 and 6,229.72 is: 8,596.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.36 : 15,102.84 = 6,229.72 : x
  2. Step 2: Convert to fraction form
    10,945.36/15,102.84 = 6,229.72/x
  3. Step 3: Cross multiply
    10,945.36x = 15,102.84 × 6,229.72
  4. Step 4: Simplify right side
    10,945.36x = 94,086,464.40
  5. Step 5: Solve for x
    x = 94,086,464.40/10,945.36
  6. Step 6: Final answer
    x = 8,596.01

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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.