Home / 13,370.24-20,074.24-8,423.84

Finding the Fourth Proportional to 13,370.24, 20,074.24 and 8,423.84

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Solution

The fourth proportional to 13,370.24, 20,074.24 and 8,423.84 is: 12,647.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.24 : 20,074.24 = 8,423.84 : x
  2. Step 2: Convert to fraction form
    13,370.24/20,074.24 = 8,423.84/x
  3. Step 3: Cross multiply
    13,370.24x = 20,074.24 × 8,423.84
  4. Step 4: Simplify right side
    13,370.24x = 169,102,185.88
  5. Step 5: Solve for x
    x = 169,102,185.88/13,370.24
  6. Step 6: Final answer
    x = 12,647.66

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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.