Home / 19,016.38-28,528.95-9,163.96

Finding the Fourth Proportional to 19,016.38, 28,528.95 and 9,163.96

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Solution

The fourth proportional to 19,016.38, 28,528.95 and 9,163.96 is: 13,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,016.38 : 28,528.95 = 9,163.96 : x
  2. Step 2: Convert to fraction form
    19,016.38/28,528.95 = 9,163.96/x
  3. Step 3: Cross multiply
    19,016.38x = 28,528.95 × 9,163.96
  4. Step 4: Simplify right side
    19,016.38x = 261,438,156.64
  5. Step 5: Solve for x
    x = 261,438,156.64/19,016.38
  6. Step 6: Final answer
    x = 13,748.05

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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.