Home / 11,729.40-17,591.34-3,407.22

Finding the Fourth Proportional to 11,729.40, 17,591.34 and 3,407.22

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Solution

The fourth proportional to 11,729.40, 17,591.34 and 3,407.22 is: 5,110.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.40 : 17,591.34 = 3,407.22 : x
  2. Step 2: Convert to fraction form
    11,729.40/17,591.34 = 3,407.22/x
  3. Step 3: Cross multiply
    11,729.40x = 17,591.34 × 3,407.22
  4. Step 4: Simplify right side
    11,729.40x = 59,937,565.47
  5. Step 5: Solve for x
    x = 59,937,565.47/11,729.40
  6. Step 6: Final answer
    x = 5,110.03

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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.