Home / 9,328.12-13,988.82-3,086.98

Finding the Fourth Proportional to 9,328.12, 13,988.82 and 3,086.98

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Solution

The fourth proportional to 9,328.12, 13,988.82 and 3,086.98 is: 4,629.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.12 : 13,988.82 = 3,086.98 : x
  2. Step 2: Convert to fraction form
    9,328.12/13,988.82 = 3,086.98/x
  3. Step 3: Cross multiply
    9,328.12x = 13,988.82 × 3,086.98
  4. Step 4: Simplify right side
    9,328.12x = 43,183,207.56
  5. Step 5: Solve for x
    x = 43,183,207.56/9,328.12
  6. Step 6: Final answer
    x = 4,629.36

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1.5x scale

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.