Home / 12,272.99-18,410.09-3,509.19

Finding the Fourth Proportional to 12,272.99, 18,410.09 and 3,509.19

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Solution

The fourth proportional to 12,272.99, 18,410.09 and 3,509.19 is: 5,263.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.99 : 18,410.09 = 3,509.19 : x
  2. Step 2: Convert to fraction form
    12,272.99/18,410.09 = 3,509.19/x
  3. Step 3: Cross multiply
    12,272.99x = 18,410.09 × 3,509.19
  4. Step 4: Simplify right side
    12,272.99x = 64,604,503.73
  5. Step 5: Solve for x
    x = 64,604,503.73/12,272.99
  6. Step 6: Final answer
    x = 5,263.96

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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.