Home / 11,856.06-17,780.40-6,011.88

Finding the Fourth Proportional to 11,856.06, 17,780.40 and 6,011.88

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Solution

The fourth proportional to 11,856.06, 17,780.40 and 6,011.88 is: 9,015.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856.06 : 17,780.40 = 6,011.88 : x
  2. Step 2: Convert to fraction form
    11,856.06/17,780.40 = 6,011.88/x
  3. Step 3: Cross multiply
    11,856.06x = 17,780.40 × 6,011.88
  4. Step 4: Simplify right side
    11,856.06x = 106,893,631.15
  5. Step 5: Solve for x
    x = 106,893,631.15/11,856.06
  6. Step 6: Final answer
    x = 9,015.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.