Home / 13,330.17-19,976.79-5,001.80

Finding the Fourth Proportional to 13,330.17, 19,976.79 and 5,001.80

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Solution

The fourth proportional to 13,330.17, 19,976.79 and 5,001.80 is: 7,495.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.17 : 19,976.79 = 5,001.80 : x
  2. Step 2: Convert to fraction form
    13,330.17/19,976.79 = 5,001.80/x
  3. Step 3: Cross multiply
    13,330.17x = 19,976.79 × 5,001.80
  4. Step 4: Simplify right side
    13,330.17x = 99,919,908.22
  5. Step 5: Solve for x
    x = 99,919,908.22/13,330.17
  6. Step 6: Final answer
    x = 7,495.77

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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.