Home / 18,952.06-28,427.97-4,912.06

Finding the Fourth Proportional to 18,952.06, 28,427.97 and 4,912.06

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Solution

The fourth proportional to 18,952.06, 28,427.97 and 4,912.06 is: 7,368.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,952.06 : 28,427.97 = 4,912.06 : x
  2. Step 2: Convert to fraction form
    18,952.06/28,427.97 = 4,912.06/x
  3. Step 3: Cross multiply
    18,952.06x = 28,427.97 × 4,912.06
  4. Step 4: Simplify right side
    18,952.06x = 139,639,894.32
  5. Step 5: Solve for x
    x = 139,639,894.32/18,952.06
  6. Step 6: Final answer
    x = 7,368.06

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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.