Home / 22,224.85-30,670.32-12,664.32

Finding the Fourth Proportional to 22,224.85, 30,670.32 and 12,664.32

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Solution

The fourth proportional to 22,224.85, 30,670.32 and 12,664.32 is: 17,476.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,224.85 : 30,670.32 = 12,664.32 : x
  2. Step 2: Convert to fraction form
    22,224.85/30,670.32 = 12,664.32/x
  3. Step 3: Cross multiply
    22,224.85x = 30,670.32 × 12,664.32
  4. Step 4: Simplify right side
    22,224.85x = 388,418,746.98
  5. Step 5: Solve for x
    x = 388,418,746.98/22,224.85
  6. Step 6: Final answer
    x = 17,476.78

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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.