Home / 9,441.20-13,028.90-5,192.34

Finding the Fourth Proportional to 9,441.20, 13,028.90 and 5,192.34

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Solution

The fourth proportional to 9,441.20, 13,028.90 and 5,192.34 is: 7,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,441.20 : 13,028.90 = 5,192.34 : x
  2. Step 2: Convert to fraction form
    9,441.20/13,028.90 = 5,192.34/x
  3. Step 3: Cross multiply
    9,441.20x = 13,028.90 × 5,192.34
  4. Step 4: Simplify right side
    9,441.20x = 67,650,452.66
  5. Step 5: Solve for x
    x = 67,650,452.66/9,441.20
  6. Step 6: Final answer
    x = 7,165.45

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Similar ratio
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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.