Home / 11,819.52-17,718.35-6,621.75

Finding the Fourth Proportional to 11,819.52, 17,718.35 and 6,621.75

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Solution

The fourth proportional to 11,819.52, 17,718.35 and 6,621.75 is: 9,926.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.52 : 17,718.35 = 6,621.75 : x
  2. Step 2: Convert to fraction form
    11,819.52/17,718.35 = 6,621.75/x
  3. Step 3: Cross multiply
    11,819.52x = 17,718.35 × 6,621.75
  4. Step 4: Simplify right side
    11,819.52x = 117,326,451.00
  5. Step 5: Solve for x
    x = 117,326,451.00/11,819.52
  6. Step 6: Final answer
    x = 9,926.50

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1.5x scale

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.