Home / 13,161.78-19,725.66-9,848.88

Finding the Fourth Proportional to 13,161.78, 19,725.66 and 9,848.88

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Solution

The fourth proportional to 13,161.78, 19,725.66 and 9,848.88 is: 14,760.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161.78 : 19,725.66 = 9,848.88 : x
  2. Step 2: Convert to fraction form
    13,161.78/19,725.66 = 9,848.88/x
  3. Step 3: Cross multiply
    13,161.78x = 19,725.66 × 9,848.88
  4. Step 4: Simplify right side
    13,161.78x = 194,275,658.26
  5. Step 5: Solve for x
    x = 194,275,658.26/13,161.78
  6. Step 6: Final answer
    x = 14,760.59

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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.