Home / 13,159.86-19,742.86-9,001.82

Finding the Fourth Proportional to 13,159.86, 19,742.86 and 9,001.82

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Solution

The fourth proportional to 13,159.86, 19,742.86 and 9,001.82 is: 13,504.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.86 : 19,742.86 = 9,001.82 : x
  2. Step 2: Convert to fraction form
    13,159.86/19,742.86 = 9,001.82/x
  3. Step 3: Cross multiply
    13,159.86x = 19,742.86 × 9,001.82
  4. Step 4: Simplify right side
    13,159.86x = 177,721,672.01
  5. Step 5: Solve for x
    x = 177,721,672.01/13,159.86
  6. Step 6: Final answer
    x = 13,504.83

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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.