Home / 18,468.08-27,662.33-12,512.29

Finding the Fourth Proportional to 18,468.08, 27,662.33 and 12,512.29

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Solution

The fourth proportional to 18,468.08, 27,662.33 and 12,512.29 is: 18,741.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468.08 : 27,662.33 = 12,512.29 : x
  2. Step 2: Convert to fraction form
    18,468.08/27,662.33 = 12,512.29/x
  3. Step 3: Cross multiply
    18,468.08x = 27,662.33 × 12,512.29
  4. Step 4: Simplify right side
    18,468.08x = 346,119,073.84
  5. Step 5: Solve for x
    x = 346,119,073.84/18,468.08
  6. Step 6: Final answer
    x = 18,741.48

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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.