Home / 22,054.80-30,435.26-11,983.40

Finding the Fourth Proportional to 22,054.80, 30,435.26 and 11,983.40

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Solution

The fourth proportional to 22,054.80, 30,435.26 and 11,983.40 is: 16,536.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,054.80 : 30,435.26 = 11,983.40 : x
  2. Step 2: Convert to fraction form
    22,054.80/30,435.26 = 11,983.40/x
  3. Step 3: Cross multiply
    22,054.80x = 30,435.26 × 11,983.40
  4. Step 4: Simplify right side
    22,054.80x = 364,717,788.64
  5. Step 5: Solve for x
    x = 364,717,788.64/22,054.80
  6. Step 6: Final answer
    x = 16,536.89

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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.