Home / 13,527.82-18,668.32-7,559.43

Finding the Fourth Proportional to 13,527.82, 18,668.32 and 7,559.43

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Solution

The fourth proportional to 13,527.82, 18,668.32 and 7,559.43 is: 10,431.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.82 : 18,668.32 = 7,559.43 : x
  2. Step 2: Convert to fraction form
    13,527.82/18,668.32 = 7,559.43/x
  3. Step 3: Cross multiply
    13,527.82x = 18,668.32 × 7,559.43
  4. Step 4: Simplify right side
    13,527.82x = 141,121,858.26
  5. Step 5: Solve for x
    x = 141,121,858.26/13,527.82
  6. Step 6: Final answer
    x = 10,431.97

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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.