Home / 14,847.36-20,488.89-8,132.73

Finding the Fourth Proportional to 14,847.36, 20,488.89 and 8,132.73

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Solution

The fourth proportional to 14,847.36, 20,488.89 and 8,132.73 is: 11,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,847.36 : 20,488.89 = 8,132.73 : x
  2. Step 2: Convert to fraction form
    14,847.36/20,488.89 = 8,132.73/x
  3. Step 3: Cross multiply
    14,847.36x = 20,488.89 × 8,132.73
  4. Step 4: Simplify right side
    14,847.36x = 166,630,610.37
  5. Step 5: Solve for x
    x = 166,630,610.37/14,847.36
  6. Step 6: Final answer
    x = 11,222.91

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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.