Home / 9,551.28-13,180.92-5,359.44

Finding the Fourth Proportional to 9,551.28, 13,180.92 and 5,359.44

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Solution

The fourth proportional to 9,551.28, 13,180.92 and 5,359.44 is: 7,396.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,551.28 : 13,180.92 = 5,359.44 : x
  2. Step 2: Convert to fraction form
    9,551.28/13,180.92 = 5,359.44/x
  3. Step 3: Cross multiply
    9,551.28x = 13,180.92 × 5,359.44
  4. Step 4: Simplify right side
    9,551.28x = 70,642,349.88
  5. Step 5: Solve for x
    x = 70,642,349.88/9,551.28
  6. Step 6: Final answer
    x = 7,396.11

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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.