Home / 21,409.56-32,119.23-11,548.62

Finding the Fourth Proportional to 21,409.56, 32,119.23 and 11,548.62

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Solution

The fourth proportional to 21,409.56, 32,119.23 and 11,548.62 is: 17,325.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409.56 : 32,119.23 = 11,548.62 : x
  2. Step 2: Convert to fraction form
    21,409.56/32,119.23 = 11,548.62/x
  3. Step 3: Cross multiply
    21,409.56x = 32,119.23 × 11,548.62
  4. Step 4: Simplify right side
    21,409.56x = 370,932,781.96
  5. Step 5: Solve for x
    x = 370,932,781.96/21,409.56
  6. Step 6: Final answer
    x = 17,325.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.