Home / 18,016.48-26,983.68-12,444.49

Finding the Fourth Proportional to 18,016.48, 26,983.68 and 12,444.49

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Solution

The fourth proportional to 18,016.48, 26,983.68 and 12,444.49 is: 18,638.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,016.48 : 26,983.68 = 12,444.49 : x
  2. Step 2: Convert to fraction form
    18,016.48/26,983.68 = 12,444.49/x
  3. Step 3: Cross multiply
    18,016.48x = 26,983.68 × 12,444.49
  4. Step 4: Simplify right side
    18,016.48x = 335,798,135.92
  5. Step 5: Solve for x
    x = 335,798,135.92/18,016.48
  6. Step 6: Final answer
    x = 18,638.39

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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.