Home / 10,286.80-15,427.77-4,440.22

Finding the Fourth Proportional to 10,286.80, 15,427.77 and 4,440.22

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Solution

The fourth proportional to 10,286.80, 15,427.77 and 4,440.22 is: 6,659.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.80 : 15,427.77 = 4,440.22 : x
  2. Step 2: Convert to fraction form
    10,286.80/15,427.77 = 4,440.22/x
  3. Step 3: Cross multiply
    10,286.80x = 15,427.77 × 4,440.22
  4. Step 4: Simplify right side
    10,286.80x = 68,502,692.91
  5. Step 5: Solve for x
    x = 68,502,692.91/10,286.80
  6. Step 6: Final answer
    x = 6,659.28

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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.