Home / 11,497.32-17,267.85-7,145.19

Finding the Fourth Proportional to 11,497.32, 17,267.85 and 7,145.19

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Solution

The fourth proportional to 11,497.32, 17,267.85 and 7,145.19 is: 10,731.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,497.32 : 17,267.85 = 7,145.19 : x
  2. Step 2: Convert to fraction form
    11,497.32/17,267.85 = 7,145.19/x
  3. Step 3: Cross multiply
    11,497.32x = 17,267.85 × 7,145.19
  4. Step 4: Simplify right side
    11,497.32x = 123,382,069.14
  5. Step 5: Solve for x
    x = 123,382,069.14/11,497.32
  6. Step 6: Final answer
    x = 10,731.38

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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.