Home / 21,975.46-30,326.06-11,903.87

Finding the Fourth Proportional to 21,975.46, 30,326.06 and 11,903.87

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Solution

The fourth proportional to 21,975.46, 30,326.06 and 11,903.87 is: 16,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,975.46 : 30,326.06 = 11,903.87 : x
  2. Step 2: Convert to fraction form
    21,975.46/30,326.06 = 11,903.87/x
  3. Step 3: Cross multiply
    21,975.46x = 30,326.06 × 11,903.87
  4. Step 4: Simplify right side
    21,975.46x = 360,997,416.33
  5. Step 5: Solve for x
    x = 360,997,416.33/21,975.46
  6. Step 6: Final answer
    x = 16,427.30

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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.