Home / 10,785.52-16,173.08-3,765.36

Finding the Fourth Proportional to 10,785.52, 16,173.08 and 3,765.36

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Solution

The fourth proportional to 10,785.52, 16,173.08 and 3,765.36 is: 5,646.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.52 : 16,173.08 = 3,765.36 : x
  2. Step 2: Convert to fraction form
    10,785.52/16,173.08 = 3,765.36/x
  3. Step 3: Cross multiply
    10,785.52x = 16,173.08 × 3,765.36
  4. Step 4: Simplify right side
    10,785.52x = 60,897,468.51
  5. Step 5: Solve for x
    x = 60,897,468.51/10,785.52
  6. Step 6: Final answer
    x = 5,646.22

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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.