Home / 19,382.23-29,087.94-13,127.41

Finding the Fourth Proportional to 19,382.23, 29,087.94 and 13,127.41

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Solution

The fourth proportional to 19,382.23, 29,087.94 and 13,127.41 is: 19,701.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,382.23 : 29,087.94 = 13,127.41 : x
  2. Step 2: Convert to fraction form
    19,382.23/29,087.94 = 13,127.41/x
  3. Step 3: Cross multiply
    19,382.23x = 29,087.94 × 13,127.41
  4. Step 4: Simplify right side
    19,382.23x = 381,849,169.00
  5. Step 5: Solve for x
    x = 381,849,169.00/19,382.23
  6. Step 6: Final answer
    x = 19,701.00

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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.