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Finding the Fourth Proportional to 19,223.70, 28,830.15 and 6,080.10

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Solution

The fourth proportional to 19,223.70, 28,830.15 and 6,080.10 is: 9,118.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223.70 : 28,830.15 = 6,080.10 : x
  2. Step 2: Convert to fraction form
    19,223.70/28,830.15 = 6,080.10/x
  3. Step 3: Cross multiply
    19,223.70x = 28,830.15 × 6,080.10
  4. Step 4: Simplify right side
    19,223.70x = 175,290,195.02
  5. Step 5: Solve for x
    x = 175,290,195.02/19,223.70
  6. Step 6: Final answer
    x = 9,118.44

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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.