Home / 11,718.89-17,567.03-4,319.30

Finding the Fourth Proportional to 11,718.89, 17,567.03 and 4,319.30

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Solution

The fourth proportional to 11,718.89, 17,567.03 and 4,319.30 is: 6,474.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.89 : 17,567.03 = 4,319.30 : x
  2. Step 2: Convert to fraction form
    11,718.89/17,567.03 = 4,319.30/x
  3. Step 3: Cross multiply
    11,718.89x = 17,567.03 × 4,319.30
  4. Step 4: Simplify right side
    11,718.89x = 75,877,163.25
  5. Step 5: Solve for x
    x = 75,877,163.25/11,718.89
  6. Step 6: Final answer
    x = 6,474.78

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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.