Home / 12,404.57-17,119.80-7,099.26

Finding the Fourth Proportional to 12,404.57, 17,119.80 and 7,099.26

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Solution

The fourth proportional to 12,404.57, 17,119.80 and 7,099.26 is: 9,797.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,404.57 : 17,119.80 = 7,099.26 : x
  2. Step 2: Convert to fraction form
    12,404.57/17,119.80 = 7,099.26/x
  3. Step 3: Cross multiply
    12,404.57x = 17,119.80 × 7,099.26
  4. Step 4: Simplify right side
    12,404.57x = 121,537,911.35
  5. Step 5: Solve for x
    x = 121,537,911.35/12,404.57
  6. Step 6: Final answer
    x = 9,797.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.