Home / 19,610.19-29,416.80-11,766.15

Finding the Fourth Proportional to 19,610.19, 29,416.80 and 11,766.15

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Solution

The fourth proportional to 19,610.19, 29,416.80 and 11,766.15 is: 17,650.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.19 : 29,416.80 = 11,766.15 : x
  2. Step 2: Convert to fraction form
    19,610.19/29,416.80 = 11,766.15/x
  3. Step 3: Cross multiply
    19,610.19x = 29,416.80 × 11,766.15
  4. Step 4: Simplify right side
    19,610.19x = 346,122,481.32
  5. Step 5: Solve for x
    x = 346,122,481.32/19,610.19
  6. Step 6: Final answer
    x = 17,650.13

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1.5x scale

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.