Home / 14,147.04-21,224.50-4,286.40

Finding the Fourth Proportional to 14,147.04, 21,224.50 and 4,286.40

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Solution

The fourth proportional to 14,147.04, 21,224.50 and 4,286.40 is: 6,430.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.04 : 21,224.50 = 4,286.40 : x
  2. Step 2: Convert to fraction form
    14,147.04/21,224.50 = 4,286.40/x
  3. Step 3: Cross multiply
    14,147.04x = 21,224.50 × 4,286.40
  4. Step 4: Simplify right side
    14,147.04x = 90,976,696.80
  5. Step 5: Solve for x
    x = 90,976,696.80/14,147.04
  6. Step 6: Final answer
    x = 6,430.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.