Home / 11,619.13-17,432.64-4,224.18

Finding the Fourth Proportional to 11,619.13, 17,432.64 and 4,224.18

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Solution

The fourth proportional to 11,619.13, 17,432.64 and 4,224.18 is: 6,337.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.13 : 17,432.64 = 4,224.18 : x
  2. Step 2: Convert to fraction form
    11,619.13/17,432.64 = 4,224.18/x
  3. Step 3: Cross multiply
    11,619.13x = 17,432.64 × 4,224.18
  4. Step 4: Simplify right side
    11,619.13x = 73,638,609.24
  5. Step 5: Solve for x
    x = 73,638,609.24/11,619.13
  6. Step 6: Final answer
    x = 6,337.71

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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.