Home / 11,818.36-16,310.28-6,514.08

Finding the Fourth Proportional to 11,818.36, 16,310.28 and 6,514.08

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Solution

The fourth proportional to 11,818.36, 16,310.28 and 6,514.08 is: 8,989.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.36 : 16,310.28 = 6,514.08 : x
  2. Step 2: Convert to fraction form
    11,818.36/16,310.28 = 6,514.08/x
  3. Step 3: Cross multiply
    11,818.36x = 16,310.28 × 6,514.08
  4. Step 4: Simplify right side
    11,818.36x = 106,246,468.74
  5. Step 5: Solve for x
    x = 106,246,468.74/11,818.36
  6. Step 6: Final answer
    x = 8,989.95

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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.