Home / 18,603.13-25,672.32-10,219.63

Finding the Fourth Proportional to 18,603.13, 25,672.32 and 10,219.63

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Solution

The fourth proportional to 18,603.13, 25,672.32 and 10,219.63 is: 14,103.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,603.13 : 25,672.32 = 10,219.63 : x
  2. Step 2: Convert to fraction form
    18,603.13/25,672.32 = 10,219.63/x
  3. Step 3: Cross multiply
    18,603.13x = 25,672.32 × 10,219.63
  4. Step 4: Simplify right side
    18,603.13x = 262,361,611.64
  5. Step 5: Solve for x
    x = 262,361,611.64/18,603.13
  6. Step 6: Final answer
    x = 14,103.09

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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.