Home / 13,159.36-19,747.58-6,917.52

Finding the Fourth Proportional to 13,159.36, 19,747.58 and 6,917.52

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Solution

The fourth proportional to 13,159.36, 19,747.58 and 6,917.52 is: 10,380.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.36 : 19,747.58 = 6,917.52 : x
  2. Step 2: Convert to fraction form
    13,159.36/19,747.58 = 6,917.52/x
  3. Step 3: Cross multiply
    13,159.36x = 19,747.58 × 6,917.52
  4. Step 4: Simplify right side
    13,159.36x = 136,604,279.60
  5. Step 5: Solve for x
    x = 136,604,279.60/13,159.36
  6. Step 6: Final answer
    x = 10,380.77

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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.