Home / 13,159.36-19,739.04-6,581.96

Finding the Fourth Proportional to 13,159.36, 19,739.04 and 6,581.96

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Solution

The fourth proportional to 13,159.36, 19,739.04 and 6,581.96 is: 9,872.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.36 : 19,739.04 = 6,581.96 : x
  2. Step 2: Convert to fraction form
    13,159.36/19,739.04 = 6,581.96/x
  3. Step 3: Cross multiply
    13,159.36x = 19,739.04 × 6,581.96
  4. Step 4: Simplify right side
    13,159.36x = 129,921,559.39
  5. Step 5: Solve for x
    x = 129,921,559.39/13,159.36
  6. Step 6: Final answer
    x = 9,872.94

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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.