Home / 19,651.87-27,120.14-10,699.52

Finding the Fourth Proportional to 19,651.87, 27,120.14 and 10,699.52

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Solution

The fourth proportional to 19,651.87, 27,120.14 and 10,699.52 is: 14,765.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,651.87 : 27,120.14 = 10,699.52 : x
  2. Step 2: Convert to fraction form
    19,651.87/27,120.14 = 10,699.52/x
  3. Step 3: Cross multiply
    19,651.87x = 27,120.14 × 10,699.52
  4. Step 4: Simplify right side
    19,651.87x = 290,172,480.33
  5. Step 5: Solve for x
    x = 290,172,480.33/19,651.87
  6. Step 6: Final answer
    x = 14,765.64

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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.