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Finding the Fourth Proportional to 14,964.63, 22,418.22 and 8,370.84

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Solution

The fourth proportional to 14,964.63, 22,418.22 and 8,370.84 is: 12,540.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,964.63 : 22,418.22 = 8,370.84 : x
  2. Step 2: Convert to fraction form
    14,964.63/22,418.22 = 8,370.84/x
  3. Step 3: Cross multiply
    14,964.63x = 22,418.22 × 8,370.84
  4. Step 4: Simplify right side
    14,964.63x = 187,659,332.70
  5. Step 5: Solve for x
    x = 187,659,332.70/14,964.63
  6. Step 6: Final answer
    x = 12,540.19

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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.