Home / 11,818.01-16,308.77-6,512.83

Finding the Fourth Proportional to 11,818.01, 16,308.77 and 6,512.83

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Solution

The fourth proportional to 11,818.01, 16,308.77 and 6,512.83 is: 8,987.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.01 : 16,308.77 = 6,512.83 : x
  2. Step 2: Convert to fraction form
    11,818.01/16,308.77 = 6,512.83/x
  3. Step 3: Cross multiply
    11,818.01x = 16,308.77 × 6,512.83
  4. Step 4: Simplify right side
    11,818.01x = 106,216,173.18
  5. Step 5: Solve for x
    x = 106,216,173.18/11,818.01
  6. Step 6: Final answer
    x = 8,987.66

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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.