Home / 11,818.00-16,308.64-6,512.70

Finding the Fourth Proportional to 11,818.00, 16,308.64 and 6,512.70

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Solution

The fourth proportional to 11,818.00, 16,308.64 and 6,512.70 is: 8,987.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.00 : 16,308.64 = 6,512.70 : x
  2. Step 2: Convert to fraction form
    11,818.00/16,308.64 = 6,512.70/x
  3. Step 3: Cross multiply
    11,818.00x = 16,308.64 × 6,512.70
  4. Step 4: Simplify right side
    11,818.00x = 106,213,349.03
  5. Step 5: Solve for x
    x = 106,213,349.03/11,818.00
  6. Step 6: Final answer
    x = 8,987.42

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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.