Home / 9,489.66-13,093.18-6,131.26

Finding the Fourth Proportional to 9,489.66, 13,093.18 and 6,131.26

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Solution

The fourth proportional to 9,489.66, 13,093.18 and 6,131.26 is: 8,459.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489.66 : 13,093.18 = 6,131.26 : x
  2. Step 2: Convert to fraction form
    9,489.66/13,093.18 = 6,131.26/x
  3. Step 3: Cross multiply
    9,489.66x = 13,093.18 × 6,131.26
  4. Step 4: Simplify right side
    9,489.66x = 80,277,690.81
  5. Step 5: Solve for x
    x = 80,277,690.81/9,489.66
  6. Step 6: Final answer
    x = 8,459.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.