Home / 16,020.80-23,996.64-12,910.40

Finding the Fourth Proportional to 16,020.80, 23,996.64 and 12,910.40

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Solution

The fourth proportional to 16,020.80, 23,996.64 and 12,910.40 is: 19,337.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,020.80 : 23,996.64 = 12,910.40 : x
  2. Step 2: Convert to fraction form
    16,020.80/23,996.64 = 12,910.40/x
  3. Step 3: Cross multiply
    16,020.80x = 23,996.64 × 12,910.40
  4. Step 4: Simplify right side
    16,020.80x = 309,806,221.06
  5. Step 5: Solve for x
    x = 309,806,221.06/16,020.80
  6. Step 6: Final answer
    x = 19,337.75

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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.