Home / 13,176.83-19,763.79-3,316.11

Finding the Fourth Proportional to 13,176.83, 19,763.79 and 3,316.11

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Solution

The fourth proportional to 13,176.83, 19,763.79 and 3,316.11 is: 4,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.83 : 19,763.79 = 3,316.11 : x
  2. Step 2: Convert to fraction form
    13,176.83/19,763.79 = 3,316.11/x
  3. Step 3: Cross multiply
    13,176.83x = 19,763.79 × 3,316.11
  4. Step 4: Simplify right side
    13,176.83x = 65,538,901.66
  5. Step 5: Solve for x
    x = 65,538,901.66/13,176.83
  6. Step 6: Final answer
    x = 4,973.80

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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.