Home / 11,356.98-15,671.15-6,321.41

Finding the Fourth Proportional to 11,356.98, 15,671.15 and 6,321.41

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Solution

The fourth proportional to 11,356.98, 15,671.15 and 6,321.41 is: 8,722.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356.98 : 15,671.15 = 6,321.41 : x
  2. Step 2: Convert to fraction form
    11,356.98/15,671.15 = 6,321.41/x
  3. Step 3: Cross multiply
    11,356.98x = 15,671.15 × 6,321.41
  4. Step 4: Simplify right side
    11,356.98x = 99,063,842.76
  5. Step 5: Solve for x
    x = 99,063,842.76/11,356.98
  6. Step 6: Final answer
    x = 8,722.73

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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.