Home / 12,292.85-18,426.37-6,744.55

Finding the Fourth Proportional to 12,292.85, 18,426.37 and 6,744.55

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Solution

The fourth proportional to 12,292.85, 18,426.37 and 6,744.55 is: 10,109.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.85 : 18,426.37 = 6,744.55 : x
  2. Step 2: Convert to fraction form
    12,292.85/18,426.37 = 6,744.55/x
  3. Step 3: Cross multiply
    12,292.85x = 18,426.37 × 6,744.55
  4. Step 4: Simplify right side
    12,292.85x = 124,277,573.78
  5. Step 5: Solve for x
    x = 124,277,573.78/12,292.85
  6. Step 6: Final answer
    x = 10,109.74

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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.