Home / 11,002.41-15,188.58-6,285.78

Finding the Fourth Proportional to 11,002.41, 15,188.58 and 6,285.78

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Solution

The fourth proportional to 11,002.41, 15,188.58 and 6,285.78 is: 8,677.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,002.41 : 15,188.58 = 6,285.78 : x
  2. Step 2: Convert to fraction form
    11,002.41/15,188.58 = 6,285.78/x
  3. Step 3: Cross multiply
    11,002.41x = 15,188.58 × 6,285.78
  4. Step 4: Simplify right side
    11,002.41x = 95,472,072.39
  5. Step 5: Solve for x
    x = 95,472,072.39/11,002.41
  6. Step 6: Final answer
    x = 8,677.38

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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.