Home / 11,615.22-17,427.24-5,378.22

Finding the Fourth Proportional to 11,615.22, 17,427.24 and 5,378.22

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Solution

The fourth proportional to 11,615.22, 17,427.24 and 5,378.22 is: 8,069.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.22 : 17,427.24 = 5,378.22 : x
  2. Step 2: Convert to fraction form
    11,615.22/17,427.24 = 5,378.22/x
  3. Step 3: Cross multiply
    11,615.22x = 17,427.24 × 5,378.22
  4. Step 4: Simplify right side
    11,615.22x = 93,727,530.71
  5. Step 5: Solve for x
    x = 93,727,530.71/11,615.22
  6. Step 6: Final answer
    x = 8,069.37

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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.