Home / 9,558.46-13,190.83-5,309.80

Finding the Fourth Proportional to 9,558.46, 13,190.83 and 5,309.80

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Solution

The fourth proportional to 9,558.46, 13,190.83 and 5,309.80 is: 7,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,558.46 : 13,190.83 = 5,309.80 : x
  2. Step 2: Convert to fraction form
    9,558.46/13,190.83 = 5,309.80/x
  3. Step 3: Cross multiply
    9,558.46x = 13,190.83 × 5,309.80
  4. Step 4: Simplify right side
    9,558.46x = 70,040,618.06
  5. Step 5: Solve for x
    x = 70,040,618.06/9,558.46
  6. Step 6: Final answer
    x = 7,327.60

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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.