Home / 10,809.39-16,204.41-4,240.17

Finding the Fourth Proportional to 10,809.39, 16,204.41 and 4,240.17

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Solution

The fourth proportional to 10,809.39, 16,204.41 and 4,240.17 is: 6,356.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.39 : 16,204.41 = 4,240.17 : x
  2. Step 2: Convert to fraction form
    10,809.39/16,204.41 = 4,240.17/x
  3. Step 3: Cross multiply
    10,809.39x = 16,204.41 × 4,240.17
  4. Step 4: Simplify right side
    10,809.39x = 68,709,453.15
  5. Step 5: Solve for x
    x = 68,709,453.15/10,809.39
  6. Step 6: Final answer
    x = 6,356.46

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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.