Home / 19,873.92-27,438.06-13,165.26

Finding the Fourth Proportional to 19,873.92, 27,438.06 and 13,165.26

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Solution

The fourth proportional to 19,873.92, 27,438.06 and 13,165.26 is: 18,176.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,873.92 : 27,438.06 = 13,165.26 : x
  2. Step 2: Convert to fraction form
    19,873.92/27,438.06 = 13,165.26/x
  3. Step 3: Cross multiply
    19,873.92x = 27,438.06 × 13,165.26
  4. Step 4: Simplify right side
    19,873.92x = 361,229,193.80
  5. Step 5: Solve for x
    x = 361,229,193.80/19,873.92
  6. Step 6: Final answer
    x = 18,176.04

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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.