Home / 11,242.42-15,515.24-6,463.89

Finding the Fourth Proportional to 11,242.42, 15,515.24 and 6,463.89

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Solution

The fourth proportional to 11,242.42, 15,515.24 and 6,463.89 is: 8,920.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.42 : 15,515.24 = 6,463.89 : x
  2. Step 2: Convert to fraction form
    11,242.42/15,515.24 = 6,463.89/x
  3. Step 3: Cross multiply
    11,242.42x = 15,515.24 × 6,463.89
  4. Step 4: Simplify right side
    11,242.42x = 100,288,804.68
  5. Step 5: Solve for x
    x = 100,288,804.68/11,242.42
  6. Step 6: Final answer
    x = 8,920.57

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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.