Home / 22,282.64-30,749.55-12,210.86

Finding the Fourth Proportional to 22,282.64, 30,749.55 and 12,210.86

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Solution

The fourth proportional to 22,282.64, 30,749.55 and 12,210.86 is: 16,850.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,282.64 : 30,749.55 = 12,210.86 : x
  2. Step 2: Convert to fraction form
    22,282.64/30,749.55 = 12,210.86/x
  3. Step 3: Cross multiply
    22,282.64x = 30,749.55 × 12,210.86
  4. Step 4: Simplify right side
    22,282.64x = 375,478,296.37
  5. Step 5: Solve for x
    x = 375,478,296.37/22,282.64
  6. Step 6: Final answer
    x = 16,850.71

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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.