Home / 18,367.43-25,361.30-14,111.75

Finding the Fourth Proportional to 18,367.43, 25,361.30 and 14,111.75

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Solution

The fourth proportional to 18,367.43, 25,361.30 and 14,111.75 is: 19,485.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,367.43 : 25,361.30 = 14,111.75 : x
  2. Step 2: Convert to fraction form
    18,367.43/25,361.30 = 14,111.75/x
  3. Step 3: Cross multiply
    18,367.43x = 25,361.30 × 14,111.75
  4. Step 4: Simplify right side
    18,367.43x = 357,892,423.96
  5. Step 5: Solve for x
    x = 357,892,423.96/18,367.43
  6. Step 6: Final answer
    x = 19,485.17

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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.