Home / 10,643.67-15,962.49-4,069.35

Finding the Fourth Proportional to 10,643.67, 15,962.49 and 4,069.35

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Solution

The fourth proportional to 10,643.67, 15,962.49 and 4,069.35 is: 6,102.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.67 : 15,962.49 = 4,069.35 : x
  2. Step 2: Convert to fraction form
    10,643.67/15,962.49 = 4,069.35/x
  3. Step 3: Cross multiply
    10,643.67x = 15,962.49 × 4,069.35
  4. Step 4: Simplify right side
    10,643.67x = 64,956,958.68
  5. Step 5: Solve for x
    x = 64,956,958.68/10,643.67
  6. Step 6: Final answer
    x = 6,102.87

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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.