Home / 19,725.35-27,217.34-11,660.30

Finding the Fourth Proportional to 19,725.35, 27,217.34 and 11,660.30

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Solution

The fourth proportional to 19,725.35, 27,217.34 and 11,660.30 is: 16,089.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725.35 : 27,217.34 = 11,660.30 : x
  2. Step 2: Convert to fraction form
    19,725.35/27,217.34 = 11,660.30/x
  3. Step 3: Cross multiply
    19,725.35x = 27,217.34 × 11,660.30
  4. Step 4: Simplify right side
    19,725.35x = 317,362,486.90
  5. Step 5: Solve for x
    x = 317,362,486.90/19,725.35
  6. Step 6: Final answer
    x = 16,089.07

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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.