Home / 12,423.34-18,629.11-4,520.26

Finding the Fourth Proportional to 12,423.34, 18,629.11 and 4,520.26

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Solution

The fourth proportional to 12,423.34, 18,629.11 and 4,520.26 is: 6,778.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423.34 : 18,629.11 = 4,520.26 : x
  2. Step 2: Convert to fraction form
    12,423.34/18,629.11 = 4,520.26/x
  3. Step 3: Cross multiply
    12,423.34x = 18,629.11 × 4,520.26
  4. Step 4: Simplify right side
    12,423.34x = 84,208,420.77
  5. Step 5: Solve for x
    x = 84,208,420.77/12,423.34
  6. Step 6: Final answer
    x = 6,778.24

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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.