Home / 12,556.24-17,322.14-7,774.90

Finding the Fourth Proportional to 12,556.24, 17,322.14 and 7,774.90

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Solution

The fourth proportional to 12,556.24, 17,322.14 and 7,774.90 is: 10,725.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.24 : 17,322.14 = 7,774.90 : x
  2. Step 2: Convert to fraction form
    12,556.24/17,322.14 = 7,774.90/x
  3. Step 3: Cross multiply
    12,556.24x = 17,322.14 × 7,774.90
  4. Step 4: Simplify right side
    12,556.24x = 134,677,906.29
  5. Step 5: Solve for x
    x = 134,677,906.29/12,556.24
  6. Step 6: Final answer
    x = 10,725.97

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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.