Home / 18,436.36-25,439.32-10,368.44

Finding the Fourth Proportional to 18,436.36, 25,439.32 and 10,368.44

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Solution

The fourth proportional to 18,436.36, 25,439.32 and 10,368.44 is: 14,306.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.36 : 25,439.32 = 10,368.44 : x
  2. Step 2: Convert to fraction form
    18,436.36/25,439.32 = 10,368.44/x
  3. Step 3: Cross multiply
    18,436.36x = 25,439.32 × 10,368.44
  4. Step 4: Simplify right side
    18,436.36x = 263,766,063.06
  5. Step 5: Solve for x
    x = 263,766,063.06/18,436.36
  6. Step 6: Final answer
    x = 14,306.84

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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.