Home / 19,611.61-29,400.98-13,671.07

Finding the Fourth Proportional to 19,611.61, 29,400.98 and 13,671.07

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Solution

The fourth proportional to 19,611.61, 29,400.98 and 13,671.07 is: 20,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.61 : 29,400.98 = 13,671.07 : x
  2. Step 2: Convert to fraction form
    19,611.61/29,400.98 = 13,671.07/x
  3. Step 3: Cross multiply
    19,611.61x = 29,400.98 × 13,671.07
  4. Step 4: Simplify right side
    19,611.61x = 401,942,855.65
  5. Step 5: Solve for x
    x = 401,942,855.65/19,611.61
  6. Step 6: Final answer
    x = 20,495.15

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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.