Home / 21,764.25-30,034.67-11,828.25

Finding the Fourth Proportional to 21,764.25, 30,034.67 and 11,828.25

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Solution

The fourth proportional to 21,764.25, 30,034.67 and 11,828.25 is: 16,322.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,764.25 : 30,034.67 = 11,828.25 : x
  2. Step 2: Convert to fraction form
    21,764.25/30,034.67 = 11,828.25/x
  3. Step 3: Cross multiply
    21,764.25x = 30,034.67 × 11,828.25
  4. Step 4: Simplify right side
    21,764.25x = 355,257,526.29
  5. Step 5: Solve for x
    x = 355,257,526.29/21,764.25
  6. Step 6: Final answer
    x = 16,322.99

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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.