Home / 10,222.54-15,330.57-4,377.58

Finding the Fourth Proportional to 10,222.54, 15,330.57 and 4,377.58

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Solution

The fourth proportional to 10,222.54, 15,330.57 and 4,377.58 is: 6,564.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222.54 : 15,330.57 = 4,377.58 : x
  2. Step 2: Convert to fraction form
    10,222.54/15,330.57 = 4,377.58/x
  3. Step 3: Cross multiply
    10,222.54x = 15,330.57 × 4,377.58
  4. Step 4: Simplify right side
    10,222.54x = 67,110,796.62
  5. Step 5: Solve for x
    x = 67,110,796.62/10,222.54
  6. Step 6: Final answer
    x = 6,564.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.