Home / 13,736.66-20,590.61-6,345.95

Finding the Fourth Proportional to 13,736.66, 20,590.61 and 6,345.95

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Solution

The fourth proportional to 13,736.66, 20,590.61 and 6,345.95 is: 9,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.66 : 20,590.61 = 6,345.95 : x
  2. Step 2: Convert to fraction form
    13,736.66/20,590.61 = 6,345.95/x
  3. Step 3: Cross multiply
    13,736.66x = 20,590.61 × 6,345.95
  4. Step 4: Simplify right side
    13,736.66x = 130,667,001.28
  5. Step 5: Solve for x
    x = 130,667,001.28/13,736.66
  6. Step 6: Final answer
    x = 9,512.29

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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.