Home / 10,542.87-15,814.30-4,305.82

Finding the Fourth Proportional to 10,542.87, 15,814.30 and 4,305.82

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Solution

The fourth proportional to 10,542.87, 15,814.30 and 4,305.82 is: 6,458.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542.87 : 15,814.30 = 4,305.82 : x
  2. Step 2: Convert to fraction form
    10,542.87/15,814.30 = 4,305.82/x
  3. Step 3: Cross multiply
    10,542.87x = 15,814.30 × 4,305.82
  4. Step 4: Simplify right side
    10,542.87x = 68,093,450.15
  5. Step 5: Solve for x
    x = 68,093,450.15/10,542.87
  6. Step 6: Final answer
    x = 6,458.72

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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.