Home / 12,859.75-19,289.58-4,095.37

Finding the Fourth Proportional to 12,859.75, 19,289.58 and 4,095.37

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Solution

The fourth proportional to 12,859.75, 19,289.58 and 4,095.37 is: 6,143.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859.75 : 19,289.58 = 4,095.37 : x
  2. Step 2: Convert to fraction form
    12,859.75/19,289.58 = 4,095.37/x
  3. Step 3: Cross multiply
    12,859.75x = 19,289.58 × 4,095.37
  4. Step 4: Simplify right side
    12,859.75x = 78,997,967.24
  5. Step 5: Solve for x
    x = 78,997,967.24/12,859.75
  6. Step 6: Final answer
    x = 6,143.04

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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.