Home / 19,979.96-29,962.14-7,493.18

Finding the Fourth Proportional to 19,979.96, 29,962.14 and 7,493.18

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Solution

The fourth proportional to 19,979.96, 29,962.14 and 7,493.18 is: 11,236.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979.96 : 29,962.14 = 7,493.18 : x
  2. Step 2: Convert to fraction form
    19,979.96/29,962.14 = 7,493.18/x
  3. Step 3: Cross multiply
    19,979.96x = 29,962.14 × 7,493.18
  4. Step 4: Simplify right side
    19,979.96x = 224,511,558.39
  5. Step 5: Solve for x
    x = 224,511,558.39/19,979.96
  6. Step 6: Final answer
    x = 11,236.84

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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.