Home / 9,909.08-14,865.52-3,986.44

Finding the Fourth Proportional to 9,909.08, 14,865.52 and 3,986.44

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Solution

The fourth proportional to 9,909.08, 14,865.52 and 3,986.44 is: 5,980.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.08 : 14,865.52 = 3,986.44 : x
  2. Step 2: Convert to fraction form
    9,909.08/14,865.52 = 3,986.44/x
  3. Step 3: Cross multiply
    9,909.08x = 14,865.52 × 3,986.44
  4. Step 4: Simplify right side
    9,909.08x = 59,260,503.55
  5. Step 5: Solve for x
    x = 59,260,503.55/9,909.08
  6. Step 6: Final answer
    x = 5,980.42

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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.