Home / 14,666.19-20,238.83-8,694.30

Finding the Fourth Proportional to 14,666.19, 20,238.83 and 8,694.30

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Solution

The fourth proportional to 14,666.19, 20,238.83 and 8,694.30 is: 11,997.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666.19 : 20,238.83 = 8,694.30 : x
  2. Step 2: Convert to fraction form
    14,666.19/20,238.83 = 8,694.30/x
  3. Step 3: Cross multiply
    14,666.19x = 20,238.83 × 8,694.30
  4. Step 4: Simplify right side
    14,666.19x = 175,962,524.70
  5. Step 5: Solve for x
    x = 175,962,524.70/14,666.19
  6. Step 6: Final answer
    x = 11,997.84

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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.