Home / 12,556.23-17,322.12-7,774.92

Finding the Fourth Proportional to 12,556.23, 17,322.12 and 7,774.92

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Solution

The fourth proportional to 12,556.23, 17,322.12 and 7,774.92 is: 10,726.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.23 : 17,322.12 = 7,774.92 : x
  2. Step 2: Convert to fraction form
    12,556.23/17,322.12 = 7,774.92/x
  3. Step 3: Cross multiply
    12,556.23x = 17,322.12 × 7,774.92
  4. Step 4: Simplify right side
    12,556.23x = 134,678,097.23
  5. Step 5: Solve for x
    x = 134,678,097.23/12,556.23
  6. Step 6: Final answer
    x = 10,726.00

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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.