Home / 12,795.88-17,658.66-7,206.76

Finding the Fourth Proportional to 12,795.88, 17,658.66 and 7,206.76

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Solution

The fourth proportional to 12,795.88, 17,658.66 and 7,206.76 is: 9,945.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.88 : 17,658.66 = 7,206.76 : x
  2. Step 2: Convert to fraction form
    12,795.88/17,658.66 = 7,206.76/x
  3. Step 3: Cross multiply
    12,795.88x = 17,658.66 × 7,206.76
  4. Step 4: Simplify right side
    12,795.88x = 127,261,724.54
  5. Step 5: Solve for x
    x = 127,261,724.54/12,795.88
  6. Step 6: Final answer
    x = 9,945.52

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Double scale
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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.