Home / 18,648.25-25,735.14-10,264.75

Finding the Fourth Proportional to 18,648.25, 25,735.14 and 10,264.75

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Solution

The fourth proportional to 18,648.25, 25,735.14 and 10,264.75 is: 14,165.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,648.25 : 25,735.14 = 10,264.75 : x
  2. Step 2: Convert to fraction form
    18,648.25/25,735.14 = 10,264.75/x
  3. Step 3: Cross multiply
    18,648.25x = 25,735.14 × 10,264.75
  4. Step 4: Simplify right side
    18,648.25x = 264,164,778.32
  5. Step 5: Solve for x
    x = 264,164,778.32/18,648.25
  6. Step 6: Final answer
    x = 14,165.66

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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.