Home / 10,483.85-15,725.30-2,987.43

Finding the Fourth Proportional to 10,483.85, 15,725.30 and 2,987.43

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Solution

The fourth proportional to 10,483.85, 15,725.30 and 2,987.43 is: 4,481.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,483.85 : 15,725.30 = 2,987.43 : x
  2. Step 2: Convert to fraction form
    10,483.85/15,725.30 = 2,987.43/x
  3. Step 3: Cross multiply
    10,483.85x = 15,725.30 × 2,987.43
  4. Step 4: Simplify right side
    10,483.85x = 46,978,218.04
  5. Step 5: Solve for x
    x = 46,978,218.04/10,483.85
  6. Step 6: Final answer
    x = 4,481.01

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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.