Home / 19,653.39-27,120.78-10,700.88

Finding the Fourth Proportional to 19,653.39, 27,120.78 and 10,700.88

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Solution

The fourth proportional to 19,653.39, 27,120.78 and 10,700.88 is: 14,766.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.39 : 27,120.78 = 10,700.88 : x
  2. Step 2: Convert to fraction form
    19,653.39/27,120.78 = 10,700.88/x
  3. Step 3: Cross multiply
    19,653.39x = 27,120.78 × 10,700.88
  4. Step 4: Simplify right side
    19,653.39x = 290,216,212.29
  5. Step 5: Solve for x
    x = 290,216,212.29/19,653.39
  6. Step 6: Final answer
    x = 14,766.73

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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.