Home / 11,854.35-16,359.47-6,818.56

Finding the Fourth Proportional to 11,854.35, 16,359.47 and 6,818.56

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Solution

The fourth proportional to 11,854.35, 16,359.47 and 6,818.56 is: 9,409.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,854.35 : 16,359.47 = 6,818.56 : x
  2. Step 2: Convert to fraction form
    11,854.35/16,359.47 = 6,818.56/x
  3. Step 3: Cross multiply
    11,854.35x = 16,359.47 × 6,818.56
  4. Step 4: Simplify right side
    11,854.35x = 111,548,027.76
  5. Step 5: Solve for x
    x = 111,548,027.76/11,854.35
  6. Step 6: Final answer
    x = 9,409.88

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Half scale
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Double scale
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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.