Home / 9,558.53-13,190.56-5,309.36

Finding the Fourth Proportional to 9,558.53, 13,190.56 and 5,309.36

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Solution

The fourth proportional to 9,558.53, 13,190.56 and 5,309.36 is: 7,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,558.53 : 13,190.56 = 5,309.36 : x
  2. Step 2: Convert to fraction form
    9,558.53/13,190.56 = 5,309.36/x
  3. Step 3: Cross multiply
    9,558.53x = 13,190.56 × 5,309.36
  4. Step 4: Simplify right side
    9,558.53x = 70,033,431.64
  5. Step 5: Solve for x
    x = 70,033,431.64/9,558.53
  6. Step 6: Final answer
    x = 7,326.80

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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.