Home / 21,798.37-30,080.87-12,366.73

Finding the Fourth Proportional to 21,798.37, 30,080.87 and 12,366.73

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Solution

The fourth proportional to 21,798.37, 30,080.87 and 12,366.73 is: 17,065.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,798.37 : 30,080.87 = 12,366.73 : x
  2. Step 2: Convert to fraction form
    21,798.37/30,080.87 = 12,366.73/x
  3. Step 3: Cross multiply
    21,798.37x = 30,080.87 × 12,366.73
  4. Step 4: Simplify right side
    21,798.37x = 372,001,935.62
  5. Step 5: Solve for x
    x = 372,001,935.62/21,798.37
  6. Step 6: Final answer
    x = 17,065.58

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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.