Home / 9,516.09-13,131.76-5,267.38

Finding the Fourth Proportional to 9,516.09, 13,131.76 and 5,267.38

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Solution

The fourth proportional to 9,516.09, 13,131.76 and 5,267.38 is: 7,268.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,516.09 : 13,131.76 = 5,267.38 : x
  2. Step 2: Convert to fraction form
    9,516.09/13,131.76 = 5,267.38/x
  3. Step 3: Cross multiply
    9,516.09x = 13,131.76 × 5,267.38
  4. Step 4: Simplify right side
    9,516.09x = 69,169,969.99
  5. Step 5: Solve for x
    x = 69,169,969.99/9,516.09
  6. Step 6: Final answer
    x = 7,268.74

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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.