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Finding the Fourth Proportional to 22,453.56, 33,678.99 and 6,657.93

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Solution

The fourth proportional to 22,453.56, 33,678.99 and 6,657.93 is: 9,986.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,453.56 : 33,678.99 = 6,657.93 : x
  2. Step 2: Convert to fraction form
    22,453.56/33,678.99 = 6,657.93/x
  3. Step 3: Cross multiply
    22,453.56x = 33,678.99 × 6,657.93
  4. Step 4: Simplify right side
    22,453.56x = 224,232,357.89
  5. Step 5: Solve for x
    x = 224,232,357.89/22,453.56
  6. Step 6: Final answer
    x = 9,986.49

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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.