Home / 9,986.39-14,979.65-4,438.43

Finding the Fourth Proportional to 9,986.39, 14,979.65 and 4,438.43

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Solution

The fourth proportional to 9,986.39, 14,979.65 and 4,438.43 is: 6,657.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.39 : 14,979.65 = 4,438.43 : x
  2. Step 2: Convert to fraction form
    9,986.39/14,979.65 = 4,438.43/x
  3. Step 3: Cross multiply
    9,986.39x = 14,979.65 × 4,438.43
  4. Step 4: Simplify right side
    9,986.39x = 66,486,127.95
  5. Step 5: Solve for x
    x = 66,486,127.95/9,986.39
  6. Step 6: Final answer
    x = 6,657.67

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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.