Home / 15,658.03-21,608.25-8,944.55

Finding the Fourth Proportional to 15,658.03, 21,608.25 and 8,944.55

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Solution

The fourth proportional to 15,658.03, 21,608.25 and 8,944.55 is: 12,343.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,658.03 : 21,608.25 = 8,944.55 : x
  2. Step 2: Convert to fraction form
    15,658.03/21,608.25 = 8,944.55/x
  3. Step 3: Cross multiply
    15,658.03x = 21,608.25 × 8,944.55
  4. Step 4: Simplify right side
    15,658.03x = 193,276,072.54
  5. Step 5: Solve for x
    x = 193,276,072.54/15,658.03
  6. Step 6: Final answer
    x = 12,343.58

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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.