Home / 13,168.99-19,751.27-4,403.89

Finding the Fourth Proportional to 13,168.99, 19,751.27 and 4,403.89

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Solution

The fourth proportional to 13,168.99, 19,751.27 and 4,403.89 is: 6,605.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168.99 : 19,751.27 = 4,403.89 : x
  2. Step 2: Convert to fraction form
    13,168.99/19,751.27 = 4,403.89/x
  3. Step 3: Cross multiply
    13,168.99x = 19,751.27 × 4,403.89
  4. Step 4: Simplify right side
    13,168.99x = 86,982,299.66
  5. Step 5: Solve for x
    x = 86,982,299.66/13,168.99
  6. Step 6: Final answer
    x = 6,605.09

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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.