Home / 21,973.83-30,323.81-11,902.25

Finding the Fourth Proportional to 21,973.83, 30,323.81 and 11,902.25

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Solution

The fourth proportional to 21,973.83, 30,323.81 and 11,902.25 is: 16,425.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.83 : 30,323.81 = 11,902.25 : x
  2. Step 2: Convert to fraction form
    21,973.83/30,323.81 = 11,902.25/x
  3. Step 3: Cross multiply
    21,973.83x = 30,323.81 × 11,902.25
  4. Step 4: Simplify right side
    21,973.83x = 360,921,567.57
  5. Step 5: Solve for x
    x = 360,921,567.57/21,973.83
  6. Step 6: Final answer
    x = 16,425.06

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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.