Home / 19,765.07-27,266.38-12,208.69

Finding the Fourth Proportional to 19,765.07, 27,266.38 and 12,208.69

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Solution

The fourth proportional to 19,765.07, 27,266.38 and 12,208.69 is: 16,842.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765.07 : 27,266.38 = 12,208.69 : x
  2. Step 2: Convert to fraction form
    19,765.07/27,266.38 = 12,208.69/x
  3. Step 3: Cross multiply
    19,765.07x = 27,266.38 × 12,208.69
  4. Step 4: Simplify right side
    19,765.07x = 332,886,631.03
  5. Step 5: Solve for x
    x = 332,886,631.03/19,765.07
  6. Step 6: Final answer
    x = 16,842.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.