Home / 19,620.27-27,075.85-11,124

Finding the Fourth Proportional to 19,620.27, 27,075.85 and 11,124

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Solution

The fourth proportional to 19,620.27, 27,075.85 and 11,124 is: 15,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.27 : 27,075.85 = 11,124 : x
  2. Step 2: Convert to fraction form
    19,620.27/27,075.85 = 11,124/x
  3. Step 3: Cross multiply
    19,620.27x = 27,075.85 × 11,124
  4. Step 4: Simplify right side
    19,620.27x = 301,191,755.40
  5. Step 5: Solve for x
    x = 301,191,755.40/19,620.27
  6. Step 6: Final answer
    x = 15,351.05

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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.