Home / 13,596.02-20,396.91-4,235.78

Finding the Fourth Proportional to 13,596.02, 20,396.91 and 4,235.78

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Solution

The fourth proportional to 13,596.02, 20,396.91 and 4,235.78 is: 6,354.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.02 : 20,396.91 = 4,235.78 : x
  2. Step 2: Convert to fraction form
    13,596.02/20,396.91 = 4,235.78/x
  3. Step 3: Cross multiply
    13,596.02x = 20,396.91 × 4,235.78
  4. Step 4: Simplify right side
    13,596.02x = 86,396,823.44
  5. Step 5: Solve for x
    x = 86,396,823.44/13,596.02
  6. Step 6: Final answer
    x = 6,354.57

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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.