Home / 20,346-28,075.11-11,849.99

Finding the Fourth Proportional to 20,346, 28,075.11 and 11,849.99

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Solution

The fourth proportional to 20,346, 28,075.11 and 11,849.99 is: 16,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346 : 28,075.11 = 11,849.99 : x
  2. Step 2: Convert to fraction form
    20,346/28,075.11 = 11,849.99/x
  3. Step 3: Cross multiply
    20,346x = 28,075.11 × 11,849.99
  4. Step 4: Simplify right side
    20,346x = 332,689,632.37
  5. Step 5: Solve for x
    x = 332,689,632.37/20,346
  6. Step 6: Final answer
    x = 16,351.60

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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.