Home / 10,355.37-15,534.87-3,785.88

Finding the Fourth Proportional to 10,355.37, 15,534.87 and 3,785.88

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Solution

The fourth proportional to 10,355.37, 15,534.87 and 3,785.88 is: 5,679.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.37 : 15,534.87 = 3,785.88 : x
  2. Step 2: Convert to fraction form
    10,355.37/15,534.87 = 3,785.88/x
  3. Step 3: Cross multiply
    10,355.37x = 15,534.87 × 3,785.88
  4. Step 4: Simplify right side
    10,355.37x = 58,813,153.64
  5. Step 5: Solve for x
    x = 58,813,153.64/10,355.37
  6. Step 6: Final answer
    x = 5,679.48

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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.