Home / 21,409.68-32,116.26-5,614.68

Finding the Fourth Proportional to 21,409.68, 32,116.26 and 5,614.68

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Solution

The fourth proportional to 21,409.68, 32,116.26 and 5,614.68 is: 8,422.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409.68 : 32,116.26 = 5,614.68 : x
  2. Step 2: Convert to fraction form
    21,409.68/32,116.26 = 5,614.68/x
  3. Step 3: Cross multiply
    21,409.68x = 32,116.26 × 5,614.68
  4. Step 4: Simplify right side
    21,409.68x = 180,322,522.70
  5. Step 5: Solve for x
    x = 180,322,522.70/21,409.68
  6. Step 6: Final answer
    x = 8,422.48

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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.