Home / 9,629.55-13,287.44-5,380.43

Finding the Fourth Proportional to 9,629.55, 13,287.44 and 5,380.43

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Solution

The fourth proportional to 9,629.55, 13,287.44 and 5,380.43 is: 7,424.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,629.55 : 13,287.44 = 5,380.43 : x
  2. Step 2: Convert to fraction form
    9,629.55/13,287.44 = 5,380.43/x
  3. Step 3: Cross multiply
    9,629.55x = 13,287.44 × 5,380.43
  4. Step 4: Simplify right side
    9,629.55x = 71,492,113.90
  5. Step 5: Solve for x
    x = 71,492,113.90/9,629.55
  6. Step 6: Final answer
    x = 7,424.24

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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.