Home / 12,500.18-18,751.23-4,180.23

Finding the Fourth Proportional to 12,500.18, 18,751.23 and 4,180.23

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Solution

The fourth proportional to 12,500.18, 18,751.23 and 4,180.23 is: 6,270.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.18 : 18,751.23 = 4,180.23 : x
  2. Step 2: Convert to fraction form
    12,500.18/18,751.23 = 4,180.23/x
  3. Step 3: Cross multiply
    12,500.18x = 18,751.23 × 4,180.23
  4. Step 4: Simplify right side
    12,500.18x = 78,384,454.18
  5. Step 5: Solve for x
    x = 78,384,454.18/12,500.18
  6. Step 6: Final answer
    x = 6,270.67

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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.