Home / 11,571.40-17,353.51-4,174.90

Finding the Fourth Proportional to 11,571.40, 17,353.51 and 4,174.90

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Solution

The fourth proportional to 11,571.40, 17,353.51 and 4,174.90 is: 6,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,571.40 : 17,353.51 = 4,174.90 : x
  2. Step 2: Convert to fraction form
    11,571.40/17,353.51 = 4,174.90/x
  3. Step 3: Cross multiply
    11,571.40x = 17,353.51 × 4,174.90
  4. Step 4: Simplify right side
    11,571.40x = 72,449,071.69
  5. Step 5: Solve for x
    x = 72,449,071.69/11,571.40
  6. Step 6: Final answer
    x = 6,261.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.