Home / 18,339.14-25,308.15-9,955.64

Finding the Fourth Proportional to 18,339.14, 25,308.15 and 9,955.64

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Solution

The fourth proportional to 18,339.14, 25,308.15 and 9,955.64 is: 13,738.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339.14 : 25,308.15 = 9,955.64 : x
  2. Step 2: Convert to fraction form
    18,339.14/25,308.15 = 9,955.64/x
  3. Step 3: Cross multiply
    18,339.14x = 25,308.15 × 9,955.64
  4. Step 4: Simplify right side
    18,339.14x = 251,958,856.40
  5. Step 5: Solve for x
    x = 251,958,856.40/18,339.14
  6. Step 6: Final answer
    x = 13,738.86

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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.