Home / 11,402.80-17,104.06-3,611.60

Finding the Fourth Proportional to 11,402.80, 17,104.06 and 3,611.60

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Solution

The fourth proportional to 11,402.80, 17,104.06 and 3,611.60 is: 5,417.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,402.80 : 17,104.06 = 3,611.60 : x
  2. Step 2: Convert to fraction form
    11,402.80/17,104.06 = 3,611.60/x
  3. Step 3: Cross multiply
    11,402.80x = 17,104.06 × 3,611.60
  4. Step 4: Simplify right side
    11,402.80x = 61,773,023.10
  5. Step 5: Solve for x
    x = 61,773,023.10/11,402.80
  6. Step 6: Final answer
    x = 5,417.36

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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.