Home / 11,325.89-15,627.21-6,849.55

Finding the Fourth Proportional to 11,325.89, 15,627.21 and 6,849.55

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Solution

The fourth proportional to 11,325.89, 15,627.21 and 6,849.55 is: 9,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.89 : 15,627.21 = 6,849.55 : x
  2. Step 2: Convert to fraction form
    11,325.89/15,627.21 = 6,849.55/x
  3. Step 3: Cross multiply
    11,325.89x = 15,627.21 × 6,849.55
  4. Step 4: Simplify right side
    11,325.89x = 107,039,278.12
  5. Step 5: Solve for x
    x = 107,039,278.12/11,325.89
  6. Step 6: Final answer
    x = 9,450.85

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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.