Home / 13,903.38-20,858.70-4,042.44

Finding the Fourth Proportional to 13,903.38, 20,858.70 and 4,042.44

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Solution

The fourth proportional to 13,903.38, 20,858.70 and 4,042.44 is: 6,064.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.38 : 20,858.70 = 4,042.44 : x
  2. Step 2: Convert to fraction form
    13,903.38/20,858.70 = 4,042.44/x
  3. Step 3: Cross multiply
    13,903.38x = 20,858.70 × 4,042.44
  4. Step 4: Simplify right side
    13,903.38x = 84,320,043.23
  5. Step 5: Solve for x
    x = 84,320,043.23/13,903.38
  6. Step 6: Final answer
    x = 6,064.72

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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.