Home / 14,578.20-21,878.10-5,819.40

Finding the Fourth Proportional to 14,578.20, 21,878.10 and 5,819.40

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Solution

The fourth proportional to 14,578.20, 21,878.10 and 5,819.40 is: 8,733.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,578.20 : 21,878.10 = 5,819.40 : x
  2. Step 2: Convert to fraction form
    14,578.20/21,878.10 = 5,819.40/x
  3. Step 3: Cross multiply
    14,578.20x = 21,878.10 × 5,819.40
  4. Step 4: Simplify right side
    14,578.20x = 127,317,415.14
  5. Step 5: Solve for x
    x = 127,317,415.14/14,578.20
  6. Step 6: Final answer
    x = 8,733.41

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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.