Home / 12,224.79-18,325.91-4,321.55

Finding the Fourth Proportional to 12,224.79, 18,325.91 and 4,321.55

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Solution

The fourth proportional to 12,224.79, 18,325.91 and 4,321.55 is: 6,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.79 : 18,325.91 = 4,321.55 : x
  2. Step 2: Convert to fraction form
    12,224.79/18,325.91 = 4,321.55/x
  3. Step 3: Cross multiply
    12,224.79x = 18,325.91 × 4,321.55
  4. Step 4: Simplify right side
    12,224.79x = 79,196,392.98
  5. Step 5: Solve for x
    x = 79,196,392.98/12,224.79
  6. Step 6: Final answer
    x = 6,478.34

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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.