Home / 9,489.25-14,216.05-8,773.21

Finding the Fourth Proportional to 9,489.25, 14,216.05 and 8,773.21

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Solution

The fourth proportional to 9,489.25, 14,216.05 and 8,773.21 is: 13,143.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489.25 : 14,216.05 = 8,773.21 : x
  2. Step 2: Convert to fraction form
    9,489.25/14,216.05 = 8,773.21/x
  3. Step 3: Cross multiply
    9,489.25x = 14,216.05 × 8,773.21
  4. Step 4: Simplify right side
    9,489.25x = 124,720,392.02
  5. Step 5: Solve for x
    x = 124,720,392.02/9,489.25
  6. Step 6: Final answer
    x = 13,143.34

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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.