Home / 19,214.20-28,820.14-7,203.98

Finding the Fourth Proportional to 19,214.20, 28,820.14 and 7,203.98

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Solution

The fourth proportional to 19,214.20, 28,820.14 and 7,203.98 is: 10,805.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214.20 : 28,820.14 = 7,203.98 : x
  2. Step 2: Convert to fraction form
    19,214.20/28,820.14 = 7,203.98/x
  3. Step 3: Cross multiply
    19,214.20x = 28,820.14 × 7,203.98
  4. Step 4: Simplify right side
    19,214.20x = 207,619,766.20
  5. Step 5: Solve for x
    x = 207,619,766.20/19,214.20
  6. Step 6: Final answer
    x = 10,805.54

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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.