Home / 19,201.75-28,802.63-4,609.75

Finding the Fourth Proportional to 19,201.75, 28,802.63 and 4,609.75

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Solution

The fourth proportional to 19,201.75, 28,802.63 and 4,609.75 is: 6,914.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201.75 : 28,802.63 = 4,609.75 : x
  2. Step 2: Convert to fraction form
    19,201.75/28,802.63 = 4,609.75/x
  3. Step 3: Cross multiply
    19,201.75x = 28,802.63 × 4,609.75
  4. Step 4: Simplify right side
    19,201.75x = 132,772,923.64
  5. Step 5: Solve for x
    x = 132,772,923.64/19,201.75
  6. Step 6: Final answer
    x = 6,914.63

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1.5x scale

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.