Home / 19,809.51-29,707.38-5,765.73

Finding the Fourth Proportional to 19,809.51, 29,707.38 and 5,765.73

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Solution

The fourth proportional to 19,809.51, 29,707.38 and 5,765.73 is: 8,646.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,809.51 : 29,707.38 = 5,765.73 : x
  2. Step 2: Convert to fraction form
    19,809.51/29,707.38 = 5,765.73/x
  3. Step 3: Cross multiply
    19,809.51x = 29,707.38 × 5,765.73
  4. Step 4: Simplify right side
    19,809.51x = 171,284,732.09
  5. Step 5: Solve for x
    x = 171,284,732.09/19,809.51
  6. Step 6: Final answer
    x = 8,646.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.