Home / 10,429.88-15,643.44-3,765.69

Finding the Fourth Proportional to 10,429.88, 15,643.44 and 3,765.69

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Solution

The fourth proportional to 10,429.88, 15,643.44 and 3,765.69 is: 5,648.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429.88 : 15,643.44 = 3,765.69 : x
  2. Step 2: Convert to fraction form
    10,429.88/15,643.44 = 3,765.69/x
  3. Step 3: Cross multiply
    10,429.88x = 15,643.44 × 3,765.69
  4. Step 4: Simplify right side
    10,429.88x = 58,908,345.57
  5. Step 5: Solve for x
    x = 58,908,345.57/10,429.88
  6. Step 6: Final answer
    x = 5,648.04

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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.