Home / 14,185.44-21,274.20-8,482.68

Finding the Fourth Proportional to 14,185.44, 21,274.20 and 8,482.68

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Solution

The fourth proportional to 14,185.44, 21,274.20 and 8,482.68 is: 12,721.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185.44 : 21,274.20 = 8,482.68 : x
  2. Step 2: Convert to fraction form
    14,185.44/21,274.20 = 8,482.68/x
  3. Step 3: Cross multiply
    14,185.44x = 21,274.20 × 8,482.68
  4. Step 4: Simplify right side
    14,185.44x = 180,462,230.86
  5. Step 5: Solve for x
    x = 180,462,230.86/14,185.44
  6. Step 6: Final answer
    x = 12,721.65

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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.