Home / 12,956.52-17,871.66-7,651.02

Finding the Fourth Proportional to 12,956.52, 17,871.66 and 7,651.02

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Solution

The fourth proportional to 12,956.52, 17,871.66 and 7,651.02 is: 10,553.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,956.52 : 17,871.66 = 7,651.02 : x
  2. Step 2: Convert to fraction form
    12,956.52/17,871.66 = 7,651.02/x
  3. Step 3: Cross multiply
    12,956.52x = 17,871.66 × 7,651.02
  4. Step 4: Simplify right side
    12,956.52x = 136,736,428.09
  5. Step 5: Solve for x
    x = 136,736,428.09/12,956.52
  6. Step 6: Final answer
    x = 10,553.48

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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.