Home / 12,604.29-18,908.19-5,583.75

Finding the Fourth Proportional to 12,604.29, 18,908.19 and 5,583.75

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Solution

The fourth proportional to 12,604.29, 18,908.19 and 5,583.75 is: 8,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604.29 : 18,908.19 = 5,583.75 : x
  2. Step 2: Convert to fraction form
    12,604.29/18,908.19 = 5,583.75/x
  3. Step 3: Cross multiply
    12,604.29x = 18,908.19 × 5,583.75
  4. Step 4: Simplify right side
    12,604.29x = 105,578,605.91
  5. Step 5: Solve for x
    x = 105,578,605.91/12,604.29
  6. Step 6: Final answer
    x = 8,376.40

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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.