Home / 12,859.56-19,291.68-4,093.56

Finding the Fourth Proportional to 12,859.56, 19,291.68 and 4,093.56

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Solution

The fourth proportional to 12,859.56, 19,291.68 and 4,093.56 is: 6,141.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859.56 : 19,291.68 = 4,093.56 : x
  2. Step 2: Convert to fraction form
    12,859.56/19,291.68 = 4,093.56/x
  3. Step 3: Cross multiply
    12,859.56x = 19,291.68 × 4,093.56
  4. Step 4: Simplify right side
    12,859.56x = 78,971,649.58
  5. Step 5: Solve for x
    x = 78,971,649.58/12,859.56
  6. Step 6: Final answer
    x = 6,141.08

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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.