Home / 13,277.05-19,918.30-11,100.99

Finding the Fourth Proportional to 13,277.05, 19,918.30 and 11,100.99

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Solution

The fourth proportional to 13,277.05, 19,918.30 and 11,100.99 is: 16,653.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.05 : 19,918.30 = 11,100.99 : x
  2. Step 2: Convert to fraction form
    13,277.05/19,918.30 = 11,100.99/x
  3. Step 3: Cross multiply
    13,277.05x = 19,918.30 × 11,100.99
  4. Step 4: Simplify right side
    13,277.05x = 221,112,849.12
  5. Step 5: Solve for x
    x = 221,112,849.12/13,277.05
  6. Step 6: Final answer
    x = 16,653.76

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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.