Home / 9,557.76-13,189.26-5,309.09

Finding the Fourth Proportional to 9,557.76, 13,189.26 and 5,309.09

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Solution

The fourth proportional to 9,557.76, 13,189.26 and 5,309.09 is: 7,326.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,557.76 : 13,189.26 = 5,309.09 : x
  2. Step 2: Convert to fraction form
    9,557.76/13,189.26 = 5,309.09/x
  3. Step 3: Cross multiply
    9,557.76x = 13,189.26 × 5,309.09
  4. Step 4: Simplify right side
    9,557.76x = 70,022,968.37
  5. Step 5: Solve for x
    x = 70,022,968.37/9,557.76
  6. Step 6: Final answer
    x = 7,326.29

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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.