Home / 18,162.55-25,065.21-10,207.27

Finding the Fourth Proportional to 18,162.55, 25,065.21 and 10,207.27

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Solution

The fourth proportional to 18,162.55, 25,065.21 and 10,207.27 is: 14,086.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162.55 : 25,065.21 = 10,207.27 : x
  2. Step 2: Convert to fraction form
    18,162.55/25,065.21 = 10,207.27/x
  3. Step 3: Cross multiply
    18,162.55x = 25,065.21 × 10,207.27
  4. Step 4: Simplify right side
    18,162.55x = 255,847,366.08
  5. Step 5: Solve for x
    x = 255,847,366.08/18,162.55
  6. Step 6: Final answer
    x = 14,086.53

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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.