Home / 9,153.19-13,721.64-3,308.50

Finding the Fourth Proportional to 9,153.19, 13,721.64 and 3,308.50

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Solution

The fourth proportional to 9,153.19, 13,721.64 and 3,308.50 is: 4,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.19 : 13,721.64 = 3,308.50 : x
  2. Step 2: Convert to fraction form
    9,153.19/13,721.64 = 3,308.50/x
  3. Step 3: Cross multiply
    9,153.19x = 13,721.64 × 3,308.50
  4. Step 4: Simplify right side
    9,153.19x = 45,397,999.23
  5. Step 5: Solve for x
    x = 45,397,999.23/9,153.19
  6. Step 6: Final answer
    x = 4,959.80

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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.