Home / 18,990.08-26,205.36-10,604.96

Finding the Fourth Proportional to 18,990.08, 26,205.36 and 10,604.96

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Solution

The fourth proportional to 18,990.08, 26,205.36 and 10,604.96 is: 14,634.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,990.08 : 26,205.36 = 10,604.96 : x
  2. Step 2: Convert to fraction form
    18,990.08/26,205.36 = 10,604.96/x
  3. Step 3: Cross multiply
    18,990.08x = 26,205.36 × 10,604.96
  4. Step 4: Simplify right side
    18,990.08x = 277,906,794.59
  5. Step 5: Solve for x
    x = 277,906,794.59/18,990.08
  6. Step 6: Final answer
    x = 14,634.31

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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.