Home / 19,220.05-28,838.97-7,369.86

Finding the Fourth Proportional to 19,220.05, 28,838.97 and 7,369.86

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Solution

The fourth proportional to 19,220.05, 28,838.97 and 7,369.86 is: 11,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.05 : 28,838.97 = 7,369.86 : x
  2. Step 2: Convert to fraction form
    19,220.05/28,838.97 = 7,369.86/x
  3. Step 3: Cross multiply
    19,220.05x = 28,838.97 × 7,369.86
  4. Step 4: Simplify right side
    19,220.05x = 212,539,171.44
  5. Step 5: Solve for x
    x = 212,539,171.44/19,220.05
  6. Step 6: Final answer
    x = 11,058.20

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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.