Home / 19,128.04-28,697.82-6,817

Finding the Fourth Proportional to 19,128.04, 28,697.82 and 6,817

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Solution

The fourth proportional to 19,128.04, 28,697.82 and 6,817 is: 10,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128.04 : 28,697.82 = 6,817 : x
  2. Step 2: Convert to fraction form
    19,128.04/28,697.82 = 6,817/x
  3. Step 3: Cross multiply
    19,128.04x = 28,697.82 × 6,817
  4. Step 4: Simplify right side
    19,128.04x = 195,633,038.94
  5. Step 5: Solve for x
    x = 195,633,038.94/19,128.04
  6. Step 6: Final answer
    x = 10,227.55

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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.