Home / 22,295.64-33,440.73-12,940.75

Finding the Fourth Proportional to 22,295.64, 33,440.73 and 12,940.75

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Solution

The fourth proportional to 22,295.64, 33,440.73 and 12,940.75 is: 19,409.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,295.64 : 33,440.73 = 12,940.75 : x
  2. Step 2: Convert to fraction form
    22,295.64/33,440.73 = 12,940.75/x
  3. Step 3: Cross multiply
    22,295.64x = 33,440.73 × 12,940.75
  4. Step 4: Simplify right side
    22,295.64x = 432,748,126.75
  5. Step 5: Solve for x
    x = 432,748,126.75/22,295.64
  6. Step 6: Final answer
    x = 19,409.54

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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.