Home / 13,537.28-20,292.06-7,681.52

Finding the Fourth Proportional to 13,537.28, 20,292.06 and 7,681.52

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Solution

The fourth proportional to 13,537.28, 20,292.06 and 7,681.52 is: 11,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.28 : 20,292.06 = 7,681.52 : x
  2. Step 2: Convert to fraction form
    13,537.28/20,292.06 = 7,681.52/x
  3. Step 3: Cross multiply
    13,537.28x = 20,292.06 × 7,681.52
  4. Step 4: Simplify right side
    13,537.28x = 155,873,864.73
  5. Step 5: Solve for x
    x = 155,873,864.73/13,537.28
  6. Step 6: Final answer
    x = 11,514.42

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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.