Home / 10,137.80-15,208.38-3,562.28

Finding the Fourth Proportional to 10,137.80, 15,208.38 and 3,562.28

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Solution

The fourth proportional to 10,137.80, 15,208.38 and 3,562.28 is: 5,344.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137.80 : 15,208.38 = 3,562.28 : x
  2. Step 2: Convert to fraction form
    10,137.80/15,208.38 = 3,562.28/x
  3. Step 3: Cross multiply
    10,137.80x = 15,208.38 × 3,562.28
  4. Step 4: Simplify right side
    10,137.80x = 54,176,507.91
  5. Step 5: Solve for x
    x = 54,176,507.91/10,137.80
  6. Step 6: Final answer
    x = 5,344.01

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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.