Home / 12,347.19-18,520.52-4,449.42

Finding the Fourth Proportional to 12,347.19, 18,520.52 and 4,449.42

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Solution

The fourth proportional to 12,347.19, 18,520.52 and 4,449.42 is: 6,674.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347.19 : 18,520.52 = 4,449.42 : x
  2. Step 2: Convert to fraction form
    12,347.19/18,520.52 = 4,449.42/x
  3. Step 3: Cross multiply
    12,347.19x = 18,520.52 × 4,449.42
  4. Step 4: Simplify right side
    12,347.19x = 82,405,549.85
  5. Step 5: Solve for x
    x = 82,405,549.85/12,347.19
  6. Step 6: Final answer
    x = 6,674.03

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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.