Home / 12,267.78-18,401.67-4,474.77

Finding the Fourth Proportional to 12,267.78, 18,401.67 and 4,474.77

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Solution

The fourth proportional to 12,267.78, 18,401.67 and 4,474.77 is: 6,712.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,267.78 : 18,401.67 = 4,474.77 : x
  2. Step 2: Convert to fraction form
    12,267.78/18,401.67 = 4,474.77/x
  3. Step 3: Cross multiply
    12,267.78x = 18,401.67 × 4,474.77
  4. Step 4: Simplify right side
    12,267.78x = 82,343,240.87
  5. Step 5: Solve for x
    x = 82,343,240.87/12,267.78
  6. Step 6: Final answer
    x = 6,712.16

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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.