Home / 13,365.29-20,037.27-6,341.78

Finding the Fourth Proportional to 13,365.29, 20,037.27 and 6,341.78

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Solution

The fourth proportional to 13,365.29, 20,037.27 and 6,341.78 is: 9,507.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.29 : 20,037.27 = 6,341.78 : x
  2. Step 2: Convert to fraction form
    13,365.29/20,037.27 = 6,341.78/x
  3. Step 3: Cross multiply
    13,365.29x = 20,037.27 × 6,341.78
  4. Step 4: Simplify right side
    13,365.29x = 127,071,958.14
  5. Step 5: Solve for x
    x = 127,071,958.14/13,365.29
  6. Step 6: Final answer
    x = 9,507.61

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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.