Home / 16,929.88-23,341.17-12,944.68

Finding the Fourth Proportional to 16,929.88, 23,341.17 and 12,944.68

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Solution

The fourth proportional to 16,929.88, 23,341.17 and 12,944.68 is: 17,846.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929.88 : 23,341.17 = 12,944.68 : x
  2. Step 2: Convert to fraction form
    16,929.88/23,341.17 = 12,944.68/x
  3. Step 3: Cross multiply
    16,929.88x = 23,341.17 × 12,944.68
  4. Step 4: Simplify right side
    16,929.88x = 302,143,976.48
  5. Step 5: Solve for x
    x = 302,143,976.48/16,929.88
  6. Step 6: Final answer
    x = 17,846.79

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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.