Home / 15,906.26-23,857.56-4,220.39

Finding the Fourth Proportional to 15,906.26, 23,857.56 and 4,220.39

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Solution

The fourth proportional to 15,906.26, 23,857.56 and 4,220.39 is: 6,330.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,906.26 : 23,857.56 = 4,220.39 : x
  2. Step 2: Convert to fraction form
    15,906.26/23,857.56 = 4,220.39/x
  3. Step 3: Cross multiply
    15,906.26x = 23,857.56 × 4,220.39
  4. Step 4: Simplify right side
    15,906.26x = 100,688,088.36
  5. Step 5: Solve for x
    x = 100,688,088.36/15,906.26
  6. Step 6: Final answer
    x = 6,330.09

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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.