Home / 9,558.13-13,189.79-5,309.47

Finding the Fourth Proportional to 9,558.13, 13,189.79 and 5,309.47

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Solution

The fourth proportional to 9,558.13, 13,189.79 and 5,309.47 is: 7,326.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,558.13 : 13,189.79 = 5,309.47 : x
  2. Step 2: Convert to fraction form
    9,558.13/13,189.79 = 5,309.47/x
  3. Step 3: Cross multiply
    9,558.13x = 13,189.79 × 5,309.47
  4. Step 4: Simplify right side
    9,558.13x = 70,030,794.31
  5. Step 5: Solve for x
    x = 70,030,794.31/9,558.13
  6. Step 6: Final answer
    x = 7,326.83

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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.