Home / 19,906.00-27,440.84-12,735.16

Finding the Fourth Proportional to 19,906.00, 27,440.84 and 12,735.16

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Solution

The fourth proportional to 19,906.00, 27,440.84 and 12,735.16 is: 17,555.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906.00 : 27,440.84 = 12,735.16 : x
  2. Step 2: Convert to fraction form
    19,906.00/27,440.84 = 12,735.16/x
  3. Step 3: Cross multiply
    19,906.00x = 27,440.84 × 12,735.16
  4. Step 4: Simplify right side
    19,906.00x = 349,463,451.17
  5. Step 5: Solve for x
    x = 349,463,451.17/19,906.00
  6. Step 6: Final answer
    x = 17,555.69

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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.