Home / 14,910.15-20,576.55-8,940.67

Finding the Fourth Proportional to 14,910.15, 20,576.55 and 8,940.67

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Solution

The fourth proportional to 14,910.15, 20,576.55 and 8,940.67 is: 12,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.15 : 20,576.55 = 8,940.67 : x
  2. Step 2: Convert to fraction form
    14,910.15/20,576.55 = 8,940.67/x
  3. Step 3: Cross multiply
    14,910.15x = 20,576.55 × 8,940.67
  4. Step 4: Simplify right side
    14,910.15x = 183,968,143.29
  5. Step 5: Solve for x
    x = 183,968,143.29/14,910.15
  6. Step 6: Final answer
    x = 12,338.45

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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.