Home / 10,366.72-15,553.78-4,441.12

Finding the Fourth Proportional to 10,366.72, 15,553.78 and 4,441.12

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Solution

The fourth proportional to 10,366.72, 15,553.78 and 4,441.12 is: 6,663.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.72 : 15,553.78 = 4,441.12 : x
  2. Step 2: Convert to fraction form
    10,366.72/15,553.78 = 4,441.12/x
  3. Step 3: Cross multiply
    10,366.72x = 15,553.78 × 4,441.12
  4. Step 4: Simplify right side
    10,366.72x = 69,076,203.43
  5. Step 5: Solve for x
    x = 69,076,203.43/10,366.72
  6. Step 6: Final answer
    x = 6,663.27

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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.