Home / 10,278.27-15,438.44-6,773.30

Finding the Fourth Proportional to 10,278.27, 15,438.44 and 6,773.30

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Solution

The fourth proportional to 10,278.27, 15,438.44 and 6,773.30 is: 10,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.27 : 15,438.44 = 6,773.30 : x
  2. Step 2: Convert to fraction form
    10,278.27/15,438.44 = 6,773.30/x
  3. Step 3: Cross multiply
    10,278.27x = 15,438.44 × 6,773.30
  4. Step 4: Simplify right side
    10,278.27x = 104,569,074.59
  5. Step 5: Solve for x
    x = 104,569,074.59/10,278.27
  6. Step 6: Final answer
    x = 10,173.80

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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.