Home / 13,015.52-17,957.66-7,350

Finding the Fourth Proportional to 13,015.52, 17,957.66 and 7,350

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Solution

The fourth proportional to 13,015.52, 17,957.66 and 7,350 is: 10,140.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.52 : 17,957.66 = 7,350 : x
  2. Step 2: Convert to fraction form
    13,015.52/17,957.66 = 7,350/x
  3. Step 3: Cross multiply
    13,015.52x = 17,957.66 × 7,350
  4. Step 4: Simplify right side
    13,015.52x = 131,988,801
  5. Step 5: Solve for x
    x = 131,988,801/13,015.52
  6. Step 6: Final answer
    x = 10,140.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.