Home / 19,220.76-28,832.76-6,072.84

Finding the Fourth Proportional to 19,220.76, 28,832.76 and 6,072.84

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Solution

The fourth proportional to 19,220.76, 28,832.76 and 6,072.84 is: 9,109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.76 : 28,832.76 = 6,072.84 : x
  2. Step 2: Convert to fraction form
    19,220.76/28,832.76 = 6,072.84/x
  3. Step 3: Cross multiply
    19,220.76x = 28,832.76 × 6,072.84
  4. Step 4: Simplify right side
    19,220.76x = 175,096,738.24
  5. Step 5: Solve for x
    x = 175,096,738.24/19,220.76
  6. Step 6: Final answer
    x = 9,109.77

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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.