Home / 16,119.43-22,263.62-12,900.43

Finding the Fourth Proportional to 16,119.43, 22,263.62 and 12,900.43

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Solution

The fourth proportional to 16,119.43, 22,263.62 and 12,900.43 is: 17,817.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,119.43 : 22,263.62 = 12,900.43 : x
  2. Step 2: Convert to fraction form
    16,119.43/22,263.62 = 12,900.43/x
  3. Step 3: Cross multiply
    16,119.43x = 22,263.62 × 12,900.43
  4. Step 4: Simplify right side
    16,119.43x = 287,210,206.85
  5. Step 5: Solve for x
    x = 287,210,206.85/16,119.43
  6. Step 6: Final answer
    x = 17,817.64

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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.