Home / 18,621.46-25,696.09-10,963.53

Finding the Fourth Proportional to 18,621.46, 25,696.09 and 10,963.53

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Solution

The fourth proportional to 18,621.46, 25,696.09 and 10,963.53 is: 15,128.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621.46 : 25,696.09 = 10,963.53 : x
  2. Step 2: Convert to fraction form
    18,621.46/25,696.09 = 10,963.53/x
  3. Step 3: Cross multiply
    18,621.46x = 25,696.09 × 10,963.53
  4. Step 4: Simplify right side
    18,621.46x = 281,719,853.60
  5. Step 5: Solve for x
    x = 281,719,853.60/18,621.46
  6. Step 6: Final answer
    x = 15,128.77

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1.5x scale

Why These Related Problems?

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