Home / 19,417.48-29,091.66-8,148.04

Finding the Fourth Proportional to 19,417.48, 29,091.66 and 8,148.04

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Solution

The fourth proportional to 19,417.48, 29,091.66 and 8,148.04 is: 12,207.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.48 : 29,091.66 = 8,148.04 : x
  2. Step 2: Convert to fraction form
    19,417.48/29,091.66 = 8,148.04/x
  3. Step 3: Cross multiply
    19,417.48x = 29,091.66 × 8,148.04
  4. Step 4: Simplify right side
    19,417.48x = 237,040,009.35
  5. Step 5: Solve for x
    x = 237,040,009.35/19,417.48
  6. Step 6: Final answer
    x = 12,207.56

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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.