Home / 10,069.20-15,100.23-3,830.91

Finding the Fourth Proportional to 10,069.20, 15,100.23 and 3,830.91

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Solution

The fourth proportional to 10,069.20, 15,100.23 and 3,830.91 is: 5,745.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,069.20 : 15,100.23 = 3,830.91 : x
  2. Step 2: Convert to fraction form
    10,069.20/15,100.23 = 3,830.91/x
  3. Step 3: Cross multiply
    10,069.20x = 15,100.23 × 3,830.91
  4. Step 4: Simplify right side
    10,069.20x = 57,847,622.11
  5. Step 5: Solve for x
    x = 57,847,622.11/10,069.20
  6. Step 6: Final answer
    x = 5,745.01

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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.