Home / 18,696.32-28,038.41-6,212.99

Finding the Fourth Proportional to 18,696.32, 28,038.41 and 6,212.99

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Solution

The fourth proportional to 18,696.32, 28,038.41 and 6,212.99 is: 9,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696.32 : 28,038.41 = 6,212.99 : x
  2. Step 2: Convert to fraction form
    18,696.32/28,038.41 = 6,212.99/x
  3. Step 3: Cross multiply
    18,696.32x = 28,038.41 × 6,212.99
  4. Step 4: Simplify right side
    18,696.32x = 174,202,360.95
  5. Step 5: Solve for x
    x = 174,202,360.95/18,696.32
  6. Step 6: Final answer
    x = 9,317.47

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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.