Home / 18,810.44-28,212.77-4,960.52

Finding the Fourth Proportional to 18,810.44, 28,212.77 and 4,960.52

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Solution

The fourth proportional to 18,810.44, 28,212.77 and 4,960.52 is: 7,440.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,810.44 : 28,212.77 = 4,960.52 : x
  2. Step 2: Convert to fraction form
    18,810.44/28,212.77 = 4,960.52/x
  3. Step 3: Cross multiply
    18,810.44x = 28,212.77 × 4,960.52
  4. Step 4: Simplify right side
    18,810.44x = 139,949,881.18
  5. Step 5: Solve for x
    x = 139,949,881.18/18,810.44
  6. Step 6: Final answer
    x = 7,440.01

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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.