Home / 15,906.76-23,858.31-4,220.89

Finding the Fourth Proportional to 15,906.76, 23,858.31 and 4,220.89

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Solution

The fourth proportional to 15,906.76, 23,858.31 and 4,220.89 is: 6,330.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,906.76 : 23,858.31 = 4,220.89 : x
  2. Step 2: Convert to fraction form
    15,906.76/23,858.31 = 4,220.89/x
  3. Step 3: Cross multiply
    15,906.76x = 23,858.31 × 4,220.89
  4. Step 4: Simplify right side
    15,906.76x = 100,703,302.10
  5. Step 5: Solve for x
    x = 100,703,302.10/15,906.76
  6. Step 6: Final answer
    x = 6,330.85

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1.5x scale

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.