Home / 12,795.56-17,658.90-7,132.14

Finding the Fourth Proportional to 12,795.56, 17,658.90 and 7,132.14

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Solution

The fourth proportional to 12,795.56, 17,658.90 and 7,132.14 is: 9,842.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.56 : 17,658.90 = 7,132.14 : x
  2. Step 2: Convert to fraction form
    12,795.56/17,658.90 = 7,132.14/x
  3. Step 3: Cross multiply
    12,795.56x = 17,658.90 × 7,132.14
  4. Step 4: Simplify right side
    12,795.56x = 125,945,747.05
  5. Step 5: Solve for x
    x = 125,945,747.05/12,795.56
  6. Step 6: Final answer
    x = 9,842.93

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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.