Home / 12,319.76-17,001.96-7,286.92

Finding the Fourth Proportional to 12,319.76, 17,001.96 and 7,286.92

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Solution

The fourth proportional to 12,319.76, 17,001.96 and 7,286.92 is: 10,056.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.76 : 17,001.96 = 7,286.92 : x
  2. Step 2: Convert to fraction form
    12,319.76/17,001.96 = 7,286.92/x
  3. Step 3: Cross multiply
    12,319.76x = 17,001.96 × 7,286.92
  4. Step 4: Simplify right side
    12,319.76x = 123,891,922.36
  5. Step 5: Solve for x
    x = 123,891,922.36/12,319.76
  6. Step 6: Final answer
    x = 10,056.36

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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.