Home / 14,649.36-20,216.21-8,189.00

Finding the Fourth Proportional to 14,649.36, 20,216.21 and 8,189.00

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Solution

The fourth proportional to 14,649.36, 20,216.21 and 8,189.00 is: 11,300.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.36 : 20,216.21 = 8,189.00 : x
  2. Step 2: Convert to fraction form
    14,649.36/20,216.21 = 8,189.00/x
  3. Step 3: Cross multiply
    14,649.36x = 20,216.21 × 8,189.00
  4. Step 4: Simplify right side
    14,649.36x = 165,550,401.66
  5. Step 5: Solve for x
    x = 165,550,401.66/14,649.36
  6. Step 6: Final answer
    x = 11,300.86

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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.