Home / 12,860.93-19,292.81-4,093.79

Finding the Fourth Proportional to 12,860.93, 19,292.81 and 4,093.79

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Solution

The fourth proportional to 12,860.93, 19,292.81 and 4,093.79 is: 6,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860.93 : 19,292.81 = 4,093.79 : x
  2. Step 2: Convert to fraction form
    12,860.93/19,292.81 = 4,093.79/x
  3. Step 3: Cross multiply
    12,860.93x = 19,292.81 × 4,093.79
  4. Step 4: Simplify right side
    12,860.93x = 78,980,595.72
  5. Step 5: Solve for x
    x = 78,980,595.72/12,860.93
  6. Step 6: Final answer
    x = 6,141.13

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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.