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Finding the Fourth Proportional to 22,319, 33,478.69 and 5,679.05

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Solution

The fourth proportional to 22,319, 33,478.69 and 5,679.05 is: 8,518.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,319 : 33,478.69 = 5,679.05 : x
  2. Step 2: Convert to fraction form
    22,319/33,478.69 = 5,679.05/x
  3. Step 3: Cross multiply
    22,319x = 33,478.69 × 5,679.05
  4. Step 4: Simplify right side
    22,319x = 190,127,154.44
  5. Step 5: Solve for x
    x = 190,127,154.44/22,319
  6. Step 6: Final answer
    x = 8,518.62

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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.