Home / 22,520.10-33,783.78-6,937.72

Finding the Fourth Proportional to 22,520.10, 33,783.78 and 6,937.72

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Solution

The fourth proportional to 22,520.10, 33,783.78 and 6,937.72 is: 10,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,520.10 : 33,783.78 = 6,937.72 : x
  2. Step 2: Convert to fraction form
    22,520.10/33,783.78 = 6,937.72/x
  3. Step 3: Cross multiply
    22,520.10x = 33,783.78 × 6,937.72
  4. Step 4: Simplify right side
    22,520.10x = 234,382,406.18
  5. Step 5: Solve for x
    x = 234,382,406.18/22,520.10
  6. Step 6: Final answer
    x = 10,407.70

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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.