Home / 18,293.36-25,244.80-9,909.88

Finding the Fourth Proportional to 18,293.36, 25,244.80 and 9,909.88

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Solution

The fourth proportional to 18,293.36, 25,244.80 and 9,909.88 is: 13,675.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.36 : 25,244.80 = 9,909.88 : x
  2. Step 2: Convert to fraction form
    18,293.36/25,244.80 = 9,909.88/x
  3. Step 3: Cross multiply
    18,293.36x = 25,244.80 × 9,909.88
  4. Step 4: Simplify right side
    18,293.36x = 250,172,938.62
  5. Step 5: Solve for x
    x = 250,172,938.62/18,293.36
  6. Step 6: Final answer
    x = 13,675.61

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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.