Home / 22,777.64-34,164.78-10,939.88

Finding the Fourth Proportional to 22,777.64, 34,164.78 and 10,939.88

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Solution

The fourth proportional to 22,777.64, 34,164.78 and 10,939.88 is: 16,409.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,777.64 : 34,164.78 = 10,939.88 : x
  2. Step 2: Convert to fraction form
    22,777.64/34,164.78 = 10,939.88/x
  3. Step 3: Cross multiply
    22,777.64x = 34,164.78 × 10,939.88
  4. Step 4: Simplify right side
    22,777.64x = 373,758,593.43
  5. Step 5: Solve for x
    x = 373,758,593.43/22,777.64
  6. Step 6: Final answer
    x = 16,409.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.