Home / 13,103.40-19,656.48-7,556.62

Finding the Fourth Proportional to 13,103.40, 19,656.48 and 7,556.62

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Solution

The fourth proportional to 13,103.40, 19,656.48 and 7,556.62 is: 11,335.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103.40 : 19,656.48 = 7,556.62 : x
  2. Step 2: Convert to fraction form
    13,103.40/19,656.48 = 7,556.62/x
  3. Step 3: Cross multiply
    13,103.40x = 19,656.48 × 7,556.62
  4. Step 4: Simplify right side
    13,103.40x = 148,536,549.90
  5. Step 5: Solve for x
    x = 148,536,549.90/13,103.40
  6. Step 6: Final answer
    x = 11,335.73

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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.