Home / 14,004.36-20,992.89-8,992.62

Finding the Fourth Proportional to 14,004.36, 20,992.89 and 8,992.62

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Solution

The fourth proportional to 14,004.36, 20,992.89 and 8,992.62 is: 13,480.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.36 : 20,992.89 = 8,992.62 : x
  2. Step 2: Convert to fraction form
    14,004.36/20,992.89 = 8,992.62/x
  3. Step 3: Cross multiply
    14,004.36x = 20,992.89 × 8,992.62
  4. Step 4: Simplify right side
    14,004.36x = 188,781,082.47
  5. Step 5: Solve for x
    x = 188,781,082.47/14,004.36
  6. Step 6: Final answer
    x = 13,480.16

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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.