Home / 15,905.05-23,858.83-4,218.27

Finding the Fourth Proportional to 15,905.05, 23,858.83 and 4,218.27

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Solution

The fourth proportional to 15,905.05, 23,858.83 and 4,218.27 is: 6,327.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,905.05 : 23,858.83 = 4,218.27 : x
  2. Step 2: Convert to fraction form
    15,905.05/23,858.83 = 4,218.27/x
  3. Step 3: Cross multiply
    15,905.05x = 23,858.83 × 4,218.27
  4. Step 4: Simplify right side
    15,905.05x = 100,642,951.93
  5. Step 5: Solve for x
    x = 100,642,951.93/15,905.05
  6. Step 6: Final answer
    x = 6,327.74

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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.