Home / 14,188.20-21,283.14-4,327.80

Finding the Fourth Proportional to 14,188.20, 21,283.14 and 4,327.80

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Solution

The fourth proportional to 14,188.20, 21,283.14 and 4,327.80 is: 6,491.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.20 : 21,283.14 = 4,327.80 : x
  2. Step 2: Convert to fraction form
    14,188.20/21,283.14 = 4,327.80/x
  3. Step 3: Cross multiply
    14,188.20x = 21,283.14 × 4,327.80
  4. Step 4: Simplify right side
    14,188.20x = 92,109,173.29
  5. Step 5: Solve for x
    x = 92,109,173.29/14,188.20
  6. Step 6: Final answer
    x = 6,491.96

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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.