Home / 18,702.98-28,048.38-6,219.65

Finding the Fourth Proportional to 18,702.98, 28,048.38 and 6,219.65

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Solution

The fourth proportional to 18,702.98, 28,048.38 and 6,219.65 is: 9,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,702.98 : 28,048.38 = 6,219.65 : x
  2. Step 2: Convert to fraction form
    18,702.98/28,048.38 = 6,219.65/x
  3. Step 3: Cross multiply
    18,702.98x = 28,048.38 × 6,219.65
  4. Step 4: Simplify right side
    18,702.98x = 174,451,106.67
  5. Step 5: Solve for x
    x = 174,451,106.67/18,702.98
  6. Step 6: Final answer
    x = 9,327.45

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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.