Home / 13,177.08-19,764.16-3,316.36

Finding the Fourth Proportional to 13,177.08, 19,764.16 and 3,316.36

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Solution

The fourth proportional to 13,177.08, 19,764.16 and 3,316.36 is: 4,974.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.08 : 19,764.16 = 3,316.36 : x
  2. Step 2: Convert to fraction form
    13,177.08/19,764.16 = 3,316.36/x
  3. Step 3: Cross multiply
    13,177.08x = 19,764.16 × 3,316.36
  4. Step 4: Simplify right side
    13,177.08x = 65,545,011.96
  5. Step 5: Solve for x
    x = 65,545,011.96/13,177.08
  6. Step 6: Final answer
    x = 4,974.17

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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.