Home / 9,312.96-13,971.66-2,739.36

Finding the Fourth Proportional to 9,312.96, 13,971.66 and 2,739.36

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Solution

The fourth proportional to 9,312.96, 13,971.66 and 2,739.36 is: 4,109.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.96 : 13,971.66 = 2,739.36 : x
  2. Step 2: Convert to fraction form
    9,312.96/13,971.66 = 2,739.36/x
  3. Step 3: Cross multiply
    9,312.96x = 13,971.66 × 2,739.36
  4. Step 4: Simplify right side
    9,312.96x = 38,273,406.54
  5. Step 5: Solve for x
    x = 38,273,406.54/9,312.96
  6. Step 6: Final answer
    x = 4,109.69

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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.