Home / 10,806.08-16,209.08-4,227.63

Finding the Fourth Proportional to 10,806.08, 16,209.08 and 4,227.63

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Solution

The fourth proportional to 10,806.08, 16,209.08 and 4,227.63 is: 6,341.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.08 : 16,209.08 = 4,227.63 : x
  2. Step 2: Convert to fraction form
    10,806.08/16,209.08 = 4,227.63/x
  3. Step 3: Cross multiply
    10,806.08x = 16,209.08 × 4,227.63
  4. Step 4: Simplify right side
    10,806.08x = 68,525,971.74
  5. Step 5: Solve for x
    x = 68,525,971.74/10,806.08
  6. Step 6: Final answer
    x = 6,341.43

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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.