Home / 11,690.04-16,132.24-6,384.86

Finding the Fourth Proportional to 11,690.04, 16,132.24 and 6,384.86

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Solution

The fourth proportional to 11,690.04, 16,132.24 and 6,384.86 is: 8,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690.04 : 16,132.24 = 6,384.86 : x
  2. Step 2: Convert to fraction form
    11,690.04/16,132.24 = 6,384.86/x
  3. Step 3: Cross multiply
    11,690.04x = 16,132.24 × 6,384.86
  4. Step 4: Simplify right side
    11,690.04x = 103,002,093.89
  5. Step 5: Solve for x
    x = 103,002,093.89/11,690.04
  6. Step 6: Final answer
    x = 8,811.10

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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.