Home / 14,650.77-20,217.06-8,189.99

Finding the Fourth Proportional to 14,650.77, 20,217.06 and 8,189.99

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Solution

The fourth proportional to 14,650.77, 20,217.06 and 8,189.99 is: 11,301.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.77 : 20,217.06 = 8,189.99 : x
  2. Step 2: Convert to fraction form
    14,650.77/20,217.06 = 8,189.99/x
  3. Step 3: Cross multiply
    14,650.77x = 20,217.06 × 8,189.99
  4. Step 4: Simplify right side
    14,650.77x = 165,577,418.14
  5. Step 5: Solve for x
    x = 165,577,418.14/14,650.77
  6. Step 6: Final answer
    x = 11,301.62

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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.