Home / 10,135.80-15,205.38-3,560.28

Finding the Fourth Proportional to 10,135.80, 15,205.38 and 3,560.28

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Solution

The fourth proportional to 10,135.80, 15,205.38 and 3,560.28 is: 5,341.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.80 : 15,205.38 = 3,560.28 : x
  2. Step 2: Convert to fraction form
    10,135.80/15,205.38 = 3,560.28/x
  3. Step 3: Cross multiply
    10,135.80x = 15,205.38 × 3,560.28
  4. Step 4: Simplify right side
    10,135.80x = 54,135,410.31
  5. Step 5: Solve for x
    x = 54,135,410.31/10,135.80
  6. Step 6: Final answer
    x = 5,341.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.