Home / 18,381.22-25,365.30-10,827.86

Finding the Fourth Proportional to 18,381.22, 25,365.30 and 10,827.86

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Solution

The fourth proportional to 18,381.22, 25,365.30 and 10,827.86 is: 14,941.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,381.22 : 25,365.30 = 10,827.86 : x
  2. Step 2: Convert to fraction form
    18,381.22/25,365.30 = 10,827.86/x
  3. Step 3: Cross multiply
    18,381.22x = 25,365.30 × 10,827.86
  4. Step 4: Simplify right side
    18,381.22x = 274,651,917.26
  5. Step 5: Solve for x
    x = 274,651,917.26/18,381.22
  6. Step 6: Final answer
    x = 14,941.99

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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.