Home / 21,998.34-33,001.89-8,148.42

Finding the Fourth Proportional to 21,998.34, 33,001.89 and 8,148.42

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Solution

The fourth proportional to 21,998.34, 33,001.89 and 8,148.42 is: 12,224.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,998.34 : 33,001.89 = 8,148.42 : x
  2. Step 2: Convert to fraction form
    21,998.34/33,001.89 = 8,148.42/x
  3. Step 3: Cross multiply
    21,998.34x = 33,001.89 × 8,148.42
  4. Step 4: Simplify right side
    21,998.34x = 268,913,260.51
  5. Step 5: Solve for x
    x = 268,913,260.51/21,998.34
  6. Step 6: Final answer
    x = 12,224.25

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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.