Home / 12,962.55-19,440.18-3,600.30

Finding the Fourth Proportional to 12,962.55, 19,440.18 and 3,600.30

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Solution

The fourth proportional to 12,962.55, 19,440.18 and 3,600.30 is: 5,399.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962.55 : 19,440.18 = 3,600.30 : x
  2. Step 2: Convert to fraction form
    12,962.55/19,440.18 = 3,600.30/x
  3. Step 3: Cross multiply
    12,962.55x = 19,440.18 × 3,600.30
  4. Step 4: Simplify right side
    12,962.55x = 69,990,480.05
  5. Step 5: Solve for x
    x = 69,990,480.05/12,962.55
  6. Step 6: Final answer
    x = 5,399.44

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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.