Home / 19,784.93-27,303.54-12,231.06

Finding the Fourth Proportional to 19,784.93, 27,303.54 and 12,231.06

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Solution

The fourth proportional to 19,784.93, 27,303.54 and 12,231.06 is: 16,879.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.93 : 27,303.54 = 12,231.06 : x
  2. Step 2: Convert to fraction form
    19,784.93/27,303.54 = 12,231.06/x
  3. Step 3: Cross multiply
    19,784.93x = 27,303.54 × 12,231.06
  4. Step 4: Simplify right side
    19,784.93x = 333,951,235.95
  5. Step 5: Solve for x
    x = 333,951,235.95/19,784.93
  6. Step 6: Final answer
    x = 16,879.08

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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.