Home / 14,558.72-20,091.03-8,271.09

Finding the Fourth Proportional to 14,558.72, 20,091.03 and 8,271.09

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Solution

The fourth proportional to 14,558.72, 20,091.03 and 8,271.09 is: 11,414.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,558.72 : 20,091.03 = 8,271.09 : x
  2. Step 2: Convert to fraction form
    14,558.72/20,091.03 = 8,271.09/x
  3. Step 3: Cross multiply
    14,558.72x = 20,091.03 × 8,271.09
  4. Step 4: Simplify right side
    14,558.72x = 166,174,717.32
  5. Step 5: Solve for x
    x = 166,174,717.32/14,558.72
  6. Step 6: Final answer
    x = 11,414.11

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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.