Home / 19,855.15-29,795.06-12,373.39

Finding the Fourth Proportional to 19,855.15, 29,795.06 and 12,373.39

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Solution

The fourth proportional to 19,855.15, 29,795.06 and 12,373.39 is: 18,567.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,855.15 : 29,795.06 = 12,373.39 : x
  2. Step 2: Convert to fraction form
    19,855.15/29,795.06 = 12,373.39/x
  3. Step 3: Cross multiply
    19,855.15x = 29,795.06 × 12,373.39
  4. Step 4: Simplify right side
    19,855.15x = 368,665,761.10
  5. Step 5: Solve for x
    x = 368,665,761.10/19,855.15
  6. Step 6: Final answer
    x = 18,567.77

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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.