Home / 12,184.27-18,276.54-4,287.01

Finding the Fourth Proportional to 12,184.27, 18,276.54 and 4,287.01

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Solution

The fourth proportional to 12,184.27, 18,276.54 and 4,287.01 is: 6,430.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.27 : 18,276.54 = 4,287.01 : x
  2. Step 2: Convert to fraction form
    12,184.27/18,276.54 = 4,287.01/x
  3. Step 3: Cross multiply
    12,184.27x = 18,276.54 × 4,287.01
  4. Step 4: Simplify right side
    12,184.27x = 78,351,709.75
  5. Step 5: Solve for x
    x = 78,351,709.75/12,184.27
  6. Step 6: Final answer
    x = 6,430.56

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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.