Home / 11,779.68-17,625.36-7,101.60

Finding the Fourth Proportional to 11,779.68, 17,625.36 and 7,101.60

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Solution

The fourth proportional to 11,779.68, 17,625.36 and 7,101.60 is: 10,625.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.68 : 17,625.36 = 7,101.60 : x
  2. Step 2: Convert to fraction form
    11,779.68/17,625.36 = 7,101.60/x
  3. Step 3: Cross multiply
    11,779.68x = 17,625.36 × 7,101.60
  4. Step 4: Simplify right side
    11,779.68x = 125,168,256.58
  5. Step 5: Solve for x
    x = 125,168,256.58/11,779.68
  6. Step 6: Final answer
    x = 10,625.78

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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.