Home / 13,174.00-19,761.02-5,382.81

Finding the Fourth Proportional to 13,174.00, 19,761.02 and 5,382.81

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Solution

The fourth proportional to 13,174.00, 19,761.02 and 5,382.81 is: 8,074.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.00 : 19,761.02 = 5,382.81 : x
  2. Step 2: Convert to fraction form
    13,174.00/19,761.02 = 5,382.81/x
  3. Step 3: Cross multiply
    13,174.00x = 19,761.02 × 5,382.81
  4. Step 4: Simplify right side
    13,174.00x = 106,369,809.34
  5. Step 5: Solve for x
    x = 106,369,809.34/13,174.00
  6. Step 6: Final answer
    x = 8,074.22

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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.