Home / 9,163.19-13,746.13-3,318.43

Finding the Fourth Proportional to 9,163.19, 13,746.13 and 3,318.43

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Solution

The fourth proportional to 9,163.19, 13,746.13 and 3,318.43 is: 4,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.19 : 13,746.13 = 3,318.43 : x
  2. Step 2: Convert to fraction form
    9,163.19/13,746.13 = 3,318.43/x
  3. Step 3: Cross multiply
    9,163.19x = 13,746.13 × 3,318.43
  4. Step 4: Simplify right side
    9,163.19x = 45,615,527.51
  5. Step 5: Solve for x
    x = 45,615,527.51/9,163.19
  6. Step 6: Final answer
    x = 4,978.13

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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.