Home / 18,912.33-28,373.06-5,763.92

Finding the Fourth Proportional to 18,912.33, 28,373.06 and 5,763.92

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Solution

The fourth proportional to 18,912.33, 28,373.06 and 5,763.92 is: 8,647.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,912.33 : 28,373.06 = 5,763.92 : x
  2. Step 2: Convert to fraction form
    18,912.33/28,373.06 = 5,763.92/x
  3. Step 3: Cross multiply
    18,912.33x = 28,373.06 × 5,763.92
  4. Step 4: Simplify right side
    18,912.33x = 163,539,877.31
  5. Step 5: Solve for x
    x = 163,539,877.31/18,912.33
  6. Step 6: Final answer
    x = 8,647.26

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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.