Home / 19,133.28-28,702.11-9,265.42

Finding the Fourth Proportional to 19,133.28, 28,702.11 and 9,265.42

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Solution

The fourth proportional to 19,133.28, 28,702.11 and 9,265.42 is: 13,899.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133.28 : 28,702.11 = 9,265.42 : x
  2. Step 2: Convert to fraction form
    19,133.28/28,702.11 = 9,265.42/x
  3. Step 3: Cross multiply
    19,133.28x = 28,702.11 × 9,265.42
  4. Step 4: Simplify right side
    19,133.28x = 265,937,174.66
  5. Step 5: Solve for x
    x = 265,937,174.66/19,133.28
  6. Step 6: Final answer
    x = 13,899.19

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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.