Home / 12,961.99-17,889.91-7,584.12

Finding the Fourth Proportional to 12,961.99, 17,889.91 and 7,584.12

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Solution

The fourth proportional to 12,961.99, 17,889.91 and 7,584.12 is: 10,467.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961.99 : 17,889.91 = 7,584.12 : x
  2. Step 2: Convert to fraction form
    12,961.99/17,889.91 = 7,584.12/x
  3. Step 3: Cross multiply
    12,961.99x = 17,889.91 × 7,584.12
  4. Step 4: Simplify right side
    12,961.99x = 135,679,154.17
  5. Step 5: Solve for x
    x = 135,679,154.17/12,961.99
  6. Step 6: Final answer
    x = 10,467.46

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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.