Home / 10,144.44-13,990.73-8,558.87

Finding the Fourth Proportional to 10,144.44, 13,990.73 and 8,558.87

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Solution

The fourth proportional to 10,144.44, 13,990.73 and 8,558.87 is: 11,803.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.44 : 13,990.73 = 8,558.87 : x
  2. Step 2: Convert to fraction form
    10,144.44/13,990.73 = 8,558.87/x
  3. Step 3: Cross multiply
    10,144.44x = 13,990.73 × 8,558.87
  4. Step 4: Simplify right side
    10,144.44x = 119,744,726.53
  5. Step 5: Solve for x
    x = 119,744,726.53/10,144.44
  6. Step 6: Final answer
    x = 11,803.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.