Home / 18,641.25-25,725.47-10,257.75

Finding the Fourth Proportional to 18,641.25, 25,725.47 and 10,257.75

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Solution

The fourth proportional to 18,641.25, 25,725.47 and 10,257.75 is: 14,155.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,641.25 : 25,725.47 = 10,257.75 : x
  2. Step 2: Convert to fraction form
    18,641.25/25,725.47 = 10,257.75/x
  3. Step 3: Cross multiply
    18,641.25x = 25,725.47 × 10,257.75
  4. Step 4: Simplify right side
    18,641.25x = 263,885,388.60
  5. Step 5: Solve for x
    x = 263,885,388.60/18,641.25
  6. Step 6: Final answer
    x = 14,155.99

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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.