Home / 19,109.49-28,664.23-5,962.88

Finding the Fourth Proportional to 19,109.49, 28,664.23 and 5,962.88

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Solution

The fourth proportional to 19,109.49, 28,664.23 and 5,962.88 is: 8,944.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.49 : 28,664.23 = 5,962.88 : x
  2. Step 2: Convert to fraction form
    19,109.49/28,664.23 = 5,962.88/x
  3. Step 3: Cross multiply
    19,109.49x = 28,664.23 × 5,962.88
  4. Step 4: Simplify right side
    19,109.49x = 170,921,431.72
  5. Step 5: Solve for x
    x = 170,921,431.72/19,109.49
  6. Step 6: Final answer
    x = 8,944.32

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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.