Home / 19,129.04-28,698.18-6,647.25

Finding the Fourth Proportional to 19,129.04, 28,698.18 and 6,647.25

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Solution

The fourth proportional to 19,129.04, 28,698.18 and 6,647.25 is: 9,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.04 : 28,698.18 = 6,647.25 : x
  2. Step 2: Convert to fraction form
    19,129.04/28,698.18 = 6,647.25/x
  3. Step 3: Cross multiply
    19,129.04x = 28,698.18 × 6,647.25
  4. Step 4: Simplify right side
    19,129.04x = 190,763,977.01
  5. Step 5: Solve for x
    x = 190,763,977.01/19,129.04
  6. Step 6: Final answer
    x = 9,972.48

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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.