Home / 13,902.54-19,185.51-7,615.02

Finding the Fourth Proportional to 13,902.54, 19,185.51 and 7,615.02

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Solution

The fourth proportional to 13,902.54, 19,185.51 and 7,615.02 is: 10,508.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.54 : 19,185.51 = 7,615.02 : x
  2. Step 2: Convert to fraction form
    13,902.54/19,185.51 = 7,615.02/x
  3. Step 3: Cross multiply
    13,902.54x = 19,185.51 × 7,615.02
  4. Step 4: Simplify right side
    13,902.54x = 146,098,042.36
  5. Step 5: Solve for x
    x = 146,098,042.36/13,902.54
  6. Step 6: Final answer
    x = 10,508.73

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1.5x scale

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.