Home / 11,818.00-16,308.77-6,440.43

Finding the Fourth Proportional to 11,818.00, 16,308.77 and 6,440.43

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Solution

The fourth proportional to 11,818.00, 16,308.77 and 6,440.43 is: 8,887.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.00 : 16,308.77 = 6,440.43 : x
  2. Step 2: Convert to fraction form
    11,818.00/16,308.77 = 6,440.43/x
  3. Step 3: Cross multiply
    11,818.00x = 16,308.77 × 6,440.43
  4. Step 4: Simplify right side
    11,818.00x = 105,035,507.67
  5. Step 5: Solve for x
    x = 105,035,507.67/11,818.00
  6. Step 6: Final answer
    x = 8,887.76

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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.