Home / 19,964.21-27,550.77-11,012.01

Finding the Fourth Proportional to 19,964.21, 27,550.77 and 11,012.01

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Solution

The fourth proportional to 19,964.21, 27,550.77 and 11,012.01 is: 15,196.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.21 : 27,550.77 = 11,012.01 : x
  2. Step 2: Convert to fraction form
    19,964.21/27,550.77 = 11,012.01/x
  3. Step 3: Cross multiply
    19,964.21x = 27,550.77 × 11,012.01
  4. Step 4: Simplify right side
    19,964.21x = 303,389,354.75
  5. Step 5: Solve for x
    x = 303,389,354.75/19,964.21
  6. Step 6: Final answer
    x = 15,196.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.