Home / 13,207.96-19,819.86-4,886.56

Finding the Fourth Proportional to 13,207.96, 19,819.86 and 4,886.56

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Solution

The fourth proportional to 13,207.96, 19,819.86 and 4,886.56 is: 7,332.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.96 : 19,819.86 = 4,886.56 : x
  2. Step 2: Convert to fraction form
    13,207.96/19,819.86 = 4,886.56/x
  3. Step 3: Cross multiply
    13,207.96x = 19,819.86 × 4,886.56
  4. Step 4: Simplify right side
    13,207.96x = 96,850,935.08
  5. Step 5: Solve for x
    x = 96,850,935.08/13,207.96
  6. Step 6: Final answer
    x = 7,332.77

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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.