Home / 10,286.20-15,427.72-3,265.30

Finding the Fourth Proportional to 10,286.20, 15,427.72 and 3,265.30

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Solution

The fourth proportional to 10,286.20, 15,427.72 and 3,265.30 is: 4,897.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.20 : 15,427.72 = 3,265.30 : x
  2. Step 2: Convert to fraction form
    10,286.20/15,427.72 = 3,265.30/x
  3. Step 3: Cross multiply
    10,286.20x = 15,427.72 × 3,265.30
  4. Step 4: Simplify right side
    10,286.20x = 50,376,192.06
  5. Step 5: Solve for x
    x = 50,376,192.06/10,286.20
  6. Step 6: Final answer
    x = 4,897.45

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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.