Home / 11,419.04-17,129.70-3,099.19

Finding the Fourth Proportional to 11,419.04, 17,129.70 and 3,099.19

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Solution

The fourth proportional to 11,419.04, 17,129.70 and 3,099.19 is: 4,649.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419.04 : 17,129.70 = 3,099.19 : x
  2. Step 2: Convert to fraction form
    11,419.04/17,129.70 = 3,099.19/x
  3. Step 3: Cross multiply
    11,419.04x = 17,129.70 × 3,099.19
  4. Step 4: Simplify right side
    11,419.04x = 53,088,194.94
  5. Step 5: Solve for x
    x = 53,088,194.94/11,419.04
  6. Step 6: Final answer
    x = 4,649.09

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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.