Home / 19,363.86-29,045.66-12,819.33

Finding the Fourth Proportional to 19,363.86, 29,045.66 and 12,819.33

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Solution

The fourth proportional to 19,363.86, 29,045.66 and 12,819.33 is: 19,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,363.86 : 29,045.66 = 12,819.33 : x
  2. Step 2: Convert to fraction form
    19,363.86/29,045.66 = 12,819.33/x
  3. Step 3: Cross multiply
    19,363.86x = 29,045.66 × 12,819.33
  4. Step 4: Simplify right side
    19,363.86x = 372,345,836.51
  5. Step 5: Solve for x
    x = 372,345,836.51/19,363.86
  6. Step 6: Final answer
    x = 19,228.91

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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.