Home / 9,419.03-12,998.42-5,170.49

Finding the Fourth Proportional to 9,419.03, 12,998.42 and 5,170.49

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Solution

The fourth proportional to 9,419.03, 12,998.42 and 5,170.49 is: 7,135.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419.03 : 12,998.42 = 5,170.49 : x
  2. Step 2: Convert to fraction form
    9,419.03/12,998.42 = 5,170.49/x
  3. Step 3: Cross multiply
    9,419.03x = 12,998.42 × 5,170.49
  4. Step 4: Simplify right side
    9,419.03x = 67,208,200.63
  5. Step 5: Solve for x
    x = 67,208,200.63/9,419.03
  6. Step 6: Final answer
    x = 7,135.36

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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.