Home / 11,826.90-16,316.52-6,789.30

Finding the Fourth Proportional to 11,826.90, 16,316.52 and 6,789.30

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Solution

The fourth proportional to 11,826.90, 16,316.52 and 6,789.30 is: 9,366.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.90 : 16,316.52 = 6,789.30 : x
  2. Step 2: Convert to fraction form
    11,826.90/16,316.52 = 6,789.30/x
  3. Step 3: Cross multiply
    11,826.90x = 16,316.52 × 6,789.30
  4. Step 4: Simplify right side
    11,826.90x = 110,777,749.24
  5. Step 5: Solve for x
    x = 110,777,749.24/11,826.90
  6. Step 6: Final answer
    x = 9,366.59

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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.