Home / 18,336.82-25,304.79-9,953.32

Finding the Fourth Proportional to 18,336.82, 25,304.79 and 9,953.32

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Solution

The fourth proportional to 18,336.82, 25,304.79 and 9,953.32 is: 13,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.82 : 25,304.79 = 9,953.32 : x
  2. Step 2: Convert to fraction form
    18,336.82/25,304.79 = 9,953.32/x
  3. Step 3: Cross multiply
    18,336.82x = 25,304.79 × 9,953.32
  4. Step 4: Simplify right side
    18,336.82x = 251,866,672.40
  5. Step 5: Solve for x
    x = 251,866,672.40/18,336.82
  6. Step 6: Final answer
    x = 13,735.57

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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.