Home / 18,674.04-28,015.92-8,283.36

Finding the Fourth Proportional to 18,674.04, 28,015.92 and 8,283.36

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Solution

The fourth proportional to 18,674.04, 28,015.92 and 8,283.36 is: 12,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674.04 : 28,015.92 = 8,283.36 : x
  2. Step 2: Convert to fraction form
    18,674.04/28,015.92 = 8,283.36/x
  3. Step 3: Cross multiply
    18,674.04x = 28,015.92 × 8,283.36
  4. Step 4: Simplify right side
    18,674.04x = 232,065,951.09
  5. Step 5: Solve for x
    x = 232,065,951.09/18,674.04
  6. Step 6: Final answer
    x = 12,427.20

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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.