Home / 14,745.33-20,347.88-8,777.66

Finding the Fourth Proportional to 14,745.33, 20,347.88 and 8,777.66

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Solution

The fourth proportional to 14,745.33, 20,347.88 and 8,777.66 is: 12,112.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,745.33 : 20,347.88 = 8,777.66 : x
  2. Step 2: Convert to fraction form
    14,745.33/20,347.88 = 8,777.66/x
  3. Step 3: Cross multiply
    14,745.33x = 20,347.88 × 8,777.66
  4. Step 4: Simplify right side
    14,745.33x = 178,606,626.73
  5. Step 5: Solve for x
    x = 178,606,626.73/14,745.33
  6. Step 6: Final answer
    x = 12,112.76

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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.