Home / 18,219.22-25,142.61-10,261.59

Finding the Fourth Proportional to 18,219.22, 25,142.61 and 10,261.59

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Solution

The fourth proportional to 18,219.22, 25,142.61 and 10,261.59 is: 14,161.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219.22 : 25,142.61 = 10,261.59 : x
  2. Step 2: Convert to fraction form
    18,219.22/25,142.61 = 10,261.59/x
  3. Step 3: Cross multiply
    18,219.22x = 25,142.61 × 10,261.59
  4. Step 4: Simplify right side
    18,219.22x = 258,003,155.35
  5. Step 5: Solve for x
    x = 258,003,155.35/18,219.22
  6. Step 6: Final answer
    x = 14,161.04

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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.