Home / 19,012.76-28,509.63-5,863.43

Finding the Fourth Proportional to 19,012.76, 28,509.63 and 5,863.43

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Solution

The fourth proportional to 19,012.76, 28,509.63 and 5,863.43 is: 8,792.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012.76 : 28,509.63 = 5,863.43 : x
  2. Step 2: Convert to fraction form
    19,012.76/28,509.63 = 5,863.43/x
  3. Step 3: Cross multiply
    19,012.76x = 28,509.63 × 5,863.43
  4. Step 4: Simplify right side
    19,012.76x = 167,164,219.83
  5. Step 5: Solve for x
    x = 167,164,219.83/19,012.76
  6. Step 6: Final answer
    x = 8,792.21

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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.