Home / 10,809.32-16,204.36-4,240.20

Finding the Fourth Proportional to 10,809.32, 16,204.36 and 4,240.20

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Solution

The fourth proportional to 10,809.32, 16,204.36 and 4,240.20 is: 6,356.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.32 : 16,204.36 = 4,240.20 : x
  2. Step 2: Convert to fraction form
    10,809.32/16,204.36 = 4,240.20/x
  3. Step 3: Cross multiply
    10,809.32x = 16,204.36 × 4,240.20
  4. Step 4: Simplify right side
    10,809.32x = 68,709,727.27
  5. Step 5: Solve for x
    x = 68,709,727.27/10,809.32
  6. Step 6: Final answer
    x = 6,356.53

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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.