Home / 19,819.81-27,352.19-11,860.50

Finding the Fourth Proportional to 19,819.81, 27,352.19 and 11,860.50

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Solution

The fourth proportional to 19,819.81, 27,352.19 and 11,860.50 is: 16,368.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.81 : 27,352.19 = 11,860.50 : x
  2. Step 2: Convert to fraction form
    19,819.81/27,352.19 = 11,860.50/x
  3. Step 3: Cross multiply
    19,819.81x = 27,352.19 × 11,860.50
  4. Step 4: Simplify right side
    19,819.81x = 324,410,590.19
  5. Step 5: Solve for x
    x = 324,410,590.19/19,819.81
  6. Step 6: Final answer
    x = 16,368.00

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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.