Home / 18,984.04-26,189.94-12,698.44

Finding the Fourth Proportional to 18,984.04, 26,189.94 and 12,698.44

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Solution

The fourth proportional to 18,984.04, 26,189.94 and 12,698.44 is: 17,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.04 : 26,189.94 = 12,698.44 : x
  2. Step 2: Convert to fraction form
    18,984.04/26,189.94 = 12,698.44/x
  3. Step 3: Cross multiply
    18,984.04x = 26,189.94 × 12,698.44
  4. Step 4: Simplify right side
    18,984.04x = 332,571,381.69
  5. Step 5: Solve for x
    x = 332,571,381.69/18,984.04
  6. Step 6: Final answer
    x = 17,518.47

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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.