Home / 22,440.72-33,659.85-6,857.13

Finding the Fourth Proportional to 22,440.72, 33,659.85 and 6,857.13

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Solution

The fourth proportional to 22,440.72, 33,659.85 and 6,857.13 is: 10,285.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,440.72 : 33,659.85 = 6,857.13 : x
  2. Step 2: Convert to fraction form
    22,440.72/33,659.85 = 6,857.13/x
  3. Step 3: Cross multiply
    22,440.72x = 33,659.85 × 6,857.13
  4. Step 4: Simplify right side
    22,440.72x = 230,809,967.23
  5. Step 5: Solve for x
    x = 230,809,967.23/22,440.72
  6. Step 6: Final answer
    x = 10,285.32

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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.