Home / 22,328.83-30,812.09-12,255.67

Finding the Fourth Proportional to 22,328.83, 30,812.09 and 12,255.67

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Solution

The fourth proportional to 22,328.83, 30,812.09 and 12,255.67 is: 16,911.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,328.83 : 30,812.09 = 12,255.67 : x
  2. Step 2: Convert to fraction form
    22,328.83/30,812.09 = 12,255.67/x
  3. Step 3: Cross multiply
    22,328.83x = 30,812.09 × 12,255.67
  4. Step 4: Simplify right side
    22,328.83x = 377,622,807.05
  5. Step 5: Solve for x
    x = 377,622,807.05/22,328.83
  6. Step 6: Final answer
    x = 16,911.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.