Home / 12,804.21-19,199.37-5,776

Finding the Fourth Proportional to 12,804.21, 19,199.37 and 5,776

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Solution

The fourth proportional to 12,804.21, 19,199.37 and 5,776 is: 8,660.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,804.21 : 19,199.37 = 5,776 : x
  2. Step 2: Convert to fraction form
    12,804.21/19,199.37 = 5,776/x
  3. Step 3: Cross multiply
    12,804.21x = 19,199.37 × 5,776
  4. Step 4: Simplify right side
    12,804.21x = 110,895,561.12
  5. Step 5: Solve for x
    x = 110,895,561.12/12,804.21
  6. Step 6: Final answer
    x = 8,660.87

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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.