Home / 11,539.32-17,308.29-3,219.81

Finding the Fourth Proportional to 11,539.32, 17,308.29 and 3,219.81

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Solution

The fourth proportional to 11,539.32, 17,308.29 and 3,219.81 is: 4,829.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.32 : 17,308.29 = 3,219.81 : x
  2. Step 2: Convert to fraction form
    11,539.32/17,308.29 = 3,219.81/x
  3. Step 3: Cross multiply
    11,539.32x = 17,308.29 × 3,219.81
  4. Step 4: Simplify right side
    11,539.32x = 55,729,405.22
  5. Step 5: Solve for x
    x = 55,729,405.22/11,539.32
  6. Step 6: Final answer
    x = 4,829.52

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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.