Home / 10,383.30-15,574.84-2,987.73

Finding the Fourth Proportional to 10,383.30, 15,574.84 and 2,987.73

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Solution

The fourth proportional to 10,383.30, 15,574.84 and 2,987.73 is: 4,481.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.30 : 15,574.84 = 2,987.73 : x
  2. Step 2: Convert to fraction form
    10,383.30/15,574.84 = 2,987.73/x
  3. Step 3: Cross multiply
    10,383.30x = 15,574.84 × 2,987.73
  4. Step 4: Simplify right side
    10,383.30x = 46,533,416.71
  5. Step 5: Solve for x
    x = 46,533,416.71/10,383.30
  6. Step 6: Final answer
    x = 4,481.56

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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.