Home / 21,412.06-29,548.02-11,852.34

Finding the Fourth Proportional to 21,412.06, 29,548.02 and 11,852.34

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Solution

The fourth proportional to 21,412.06, 29,548.02 and 11,852.34 is: 16,355.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,412.06 : 29,548.02 = 11,852.34 : x
  2. Step 2: Convert to fraction form
    21,412.06/29,548.02 = 11,852.34/x
  3. Step 3: Cross multiply
    21,412.06x = 29,548.02 × 11,852.34
  4. Step 4: Simplify right side
    21,412.06x = 350,213,179.37
  5. Step 5: Solve for x
    x = 350,213,179.37/21,412.06
  6. Step 6: Final answer
    x = 16,355.88

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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.