Home / 12,539.99-18,811.23-4,644.62

Finding the Fourth Proportional to 12,539.99, 18,811.23 and 4,644.62

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Solution

The fourth proportional to 12,539.99, 18,811.23 and 4,644.62 is: 6,967.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539.99 : 18,811.23 = 4,644.62 : x
  2. Step 2: Convert to fraction form
    12,539.99/18,811.23 = 4,644.62/x
  3. Step 3: Cross multiply
    12,539.99x = 18,811.23 × 4,644.62
  4. Step 4: Simplify right side
    12,539.99x = 87,370,921.03
  5. Step 5: Solve for x
    x = 87,370,921.03/12,539.99
  6. Step 6: Final answer
    x = 6,967.39

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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.