Home / 12,161.49-18,236.01-5,582.01

Finding the Fourth Proportional to 12,161.49, 18,236.01 and 5,582.01

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Solution

The fourth proportional to 12,161.49, 18,236.01 and 5,582.01 is: 8,370.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161.49 : 18,236.01 = 5,582.01 : x
  2. Step 2: Convert to fraction form
    12,161.49/18,236.01 = 5,582.01/x
  3. Step 3: Cross multiply
    12,161.49x = 18,236.01 × 5,582.01
  4. Step 4: Simplify right side
    12,161.49x = 101,793,590.18
  5. Step 5: Solve for x
    x = 101,793,590.18/12,161.49
  6. Step 6: Final answer
    x = 8,370.16

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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.