Home / 18,168.50-25,074.61-10,102.96

Finding the Fourth Proportional to 18,168.50, 25,074.61 and 10,102.96

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Solution

The fourth proportional to 18,168.50, 25,074.61 and 10,102.96 is: 13,943.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168.50 : 25,074.61 = 10,102.96 : x
  2. Step 2: Convert to fraction form
    18,168.50/25,074.61 = 10,102.96/x
  3. Step 3: Cross multiply
    18,168.50x = 25,074.61 × 10,102.96
  4. Step 4: Simplify right side
    18,168.50x = 253,327,668.64
  5. Step 5: Solve for x
    x = 253,327,668.64/18,168.50
  6. Step 6: Final answer
    x = 13,943.24

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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.