Home / 11,389.24-17,072.16-7,232.32

Finding the Fourth Proportional to 11,389.24, 17,072.16 and 7,232.32

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Solution

The fourth proportional to 11,389.24, 17,072.16 and 7,232.32 is: 10,841.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.24 : 17,072.16 = 7,232.32 : x
  2. Step 2: Convert to fraction form
    11,389.24/17,072.16 = 7,232.32/x
  3. Step 3: Cross multiply
    11,389.24x = 17,072.16 × 7,232.32
  4. Step 4: Simplify right side
    11,389.24x = 123,471,324.21
  5. Step 5: Solve for x
    x = 123,471,324.21/11,389.24
  6. Step 6: Final answer
    x = 10,841.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.