Home / 19,922.62-27,489.46-12,370.79

Finding the Fourth Proportional to 19,922.62, 27,489.46 and 12,370.79

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Solution

The fourth proportional to 19,922.62, 27,489.46 and 12,370.79 is: 17,069.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.62 : 27,489.46 = 12,370.79 : x
  2. Step 2: Convert to fraction form
    19,922.62/27,489.46 = 12,370.79/x
  3. Step 3: Cross multiply
    19,922.62x = 27,489.46 × 12,370.79
  4. Step 4: Simplify right side
    19,922.62x = 340,066,275.02
  5. Step 5: Solve for x
    x = 340,066,275.02/19,922.62
  6. Step 6: Final answer
    x = 17,069.36

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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.