Home / 10,645.14-15,965.88-3,045.90

Finding the Fourth Proportional to 10,645.14, 15,965.88 and 3,045.90

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Solution

The fourth proportional to 10,645.14, 15,965.88 and 3,045.90 is: 4,568.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.14 : 15,965.88 = 3,045.90 : x
  2. Step 2: Convert to fraction form
    10,645.14/15,965.88 = 3,045.90/x
  3. Step 3: Cross multiply
    10,645.14x = 15,965.88 × 3,045.90
  4. Step 4: Simplify right side
    10,645.14x = 48,630,473.89
  5. Step 5: Solve for x
    x = 48,630,473.89/10,645.14
  6. Step 6: Final answer
    x = 4,568.33

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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.