Home / 21,478.08-32,194.50-11,614.68

Finding the Fourth Proportional to 21,478.08, 32,194.50 and 11,614.68

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Solution

The fourth proportional to 21,478.08, 32,194.50 and 11,614.68 is: 17,409.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,478.08 : 32,194.50 = 11,614.68 : x
  2. Step 2: Convert to fraction form
    21,478.08/32,194.50 = 11,614.68/x
  3. Step 3: Cross multiply
    21,478.08x = 32,194.50 × 11,614.68
  4. Step 4: Simplify right side
    21,478.08x = 373,928,815.26
  5. Step 5: Solve for x
    x = 373,928,815.26/21,478.08
  6. Step 6: Final answer
    x = 17,409.79

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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.