Home / 18,218.19-25,152.04-11,941.50

Finding the Fourth Proportional to 18,218.19, 25,152.04 and 11,941.50

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Solution

The fourth proportional to 18,218.19, 25,152.04 and 11,941.50 is: 16,486.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218.19 : 25,152.04 = 11,941.50 : x
  2. Step 2: Convert to fraction form
    18,218.19/25,152.04 = 11,941.50/x
  3. Step 3: Cross multiply
    18,218.19x = 25,152.04 × 11,941.50
  4. Step 4: Simplify right side
    18,218.19x = 300,353,025.95
  5. Step 5: Solve for x
    x = 300,353,025.95/18,218.19
  6. Step 6: Final answer
    x = 16,486.44

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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.