Home / 19,786.68-27,292.74-13,337.16

Finding the Fourth Proportional to 19,786.68, 27,292.74 and 13,337.16

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Solution

The fourth proportional to 19,786.68, 27,292.74 and 13,337.16 is: 18,396.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.68 : 27,292.74 = 13,337.16 : x
  2. Step 2: Convert to fraction form
    19,786.68/27,292.74 = 13,337.16/x
  3. Step 3: Cross multiply
    19,786.68x = 27,292.74 × 13,337.16
  4. Step 4: Simplify right side
    19,786.68x = 364,007,640.22
  5. Step 5: Solve for x
    x = 364,007,640.22/19,786.68
  6. Step 6: Final answer
    x = 18,396.60

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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.