Home / 18,645.25-25,730.85-10,261.75

Finding the Fourth Proportional to 18,645.25, 25,730.85 and 10,261.75

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Solution

The fourth proportional to 18,645.25, 25,730.85 and 10,261.75 is: 14,161.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,645.25 : 25,730.85 = 10,261.75 : x
  2. Step 2: Convert to fraction form
    18,645.25/25,730.85 = 10,261.75/x
  3. Step 3: Cross multiply
    18,645.25x = 25,730.85 × 10,261.75
  4. Step 4: Simplify right side
    18,645.25x = 264,043,549.99
  5. Step 5: Solve for x
    x = 264,043,549.99/18,645.25
  6. Step 6: Final answer
    x = 14,161.44

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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.