Home / 10,809.36-16,207.54-4,227.70

Finding the Fourth Proportional to 10,809.36, 16,207.54 and 4,227.70

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Solution

The fourth proportional to 10,809.36, 16,207.54 and 4,227.70 is: 6,339.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.36 : 16,207.54 = 4,227.70 : x
  2. Step 2: Convert to fraction form
    10,809.36/16,207.54 = 4,227.70/x
  3. Step 3: Cross multiply
    10,809.36x = 16,207.54 × 4,227.70
  4. Step 4: Simplify right side
    10,809.36x = 68,520,616.86
  5. Step 5: Solve for x
    x = 68,520,616.86/10,809.36
  6. Step 6: Final answer
    x = 6,339.01

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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.