Home / 9,571.36-13,207.80-5,380.24

Finding the Fourth Proportional to 9,571.36, 13,207.80 and 5,380.24

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Solution

The fourth proportional to 9,571.36, 13,207.80 and 5,380.24 is: 7,424.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,571.36 : 13,207.80 = 5,380.24 : x
  2. Step 2: Convert to fraction form
    9,571.36/13,207.80 = 5,380.24/x
  3. Step 3: Cross multiply
    9,571.36x = 13,207.80 × 5,380.24
  4. Step 4: Simplify right side
    9,571.36x = 71,061,133.87
  5. Step 5: Solve for x
    x = 71,061,133.87/9,571.36
  6. Step 6: Final answer
    x = 7,424.35

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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.