Home / 18,439.34-25,446.39-10,055.66

Finding the Fourth Proportional to 18,439.34, 25,446.39 and 10,055.66

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Solution

The fourth proportional to 18,439.34, 25,446.39 and 10,055.66 is: 13,876.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.34 : 25,446.39 = 10,055.66 : x
  2. Step 2: Convert to fraction form
    18,439.34/25,446.39 = 10,055.66/x
  3. Step 3: Cross multiply
    18,439.34x = 25,446.39 × 10,055.66
  4. Step 4: Simplify right side
    18,439.34x = 255,880,246.07
  5. Step 5: Solve for x
    x = 255,880,246.07/18,439.34
  6. Step 6: Final answer
    x = 13,876.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.