Home / 19,708.87-27,198.16-10,756.45

Finding the Fourth Proportional to 19,708.87, 27,198.16 and 10,756.45

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Solution

The fourth proportional to 19,708.87, 27,198.16 and 10,756.45 is: 14,843.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708.87 : 27,198.16 = 10,756.45 : x
  2. Step 2: Convert to fraction form
    19,708.87/27,198.16 = 10,756.45/x
  3. Step 3: Cross multiply
    19,708.87x = 27,198.16 × 10,756.45
  4. Step 4: Simplify right side
    19,708.87x = 292,555,648.13
  5. Step 5: Solve for x
    x = 292,555,648.13/19,708.87
  6. Step 6: Final answer
    x = 14,843.86

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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.