Home / 13,141.74-19,701.96-8,971.24

Finding the Fourth Proportional to 13,141.74, 19,701.96 and 8,971.24

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Solution

The fourth proportional to 13,141.74, 19,701.96 and 8,971.24 is: 13,449.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141.74 : 19,701.96 = 8,971.24 : x
  2. Step 2: Convert to fraction form
    13,141.74/19,701.96 = 8,971.24/x
  3. Step 3: Cross multiply
    13,141.74x = 19,701.96 × 8,971.24
  4. Step 4: Simplify right side
    13,141.74x = 176,751,011.63
  5. Step 5: Solve for x
    x = 176,751,011.63/13,141.74
  6. Step 6: Final answer
    x = 13,449.59

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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.