Home / 17,938.44-26,888.22-8,685

Finding the Fourth Proportional to 17,938.44, 26,888.22 and 8,685

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Solution

The fourth proportional to 17,938.44, 26,888.22 and 8,685 is: 13,018.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.44 : 26,888.22 = 8,685 : x
  2. Step 2: Convert to fraction form
    17,938.44/26,888.22 = 8,685/x
  3. Step 3: Cross multiply
    17,938.44x = 26,888.22 × 8,685
  4. Step 4: Simplify right side
    17,938.44x = 233,524,190.70
  5. Step 5: Solve for x
    x = 233,524,190.70/17,938.44
  6. Step 6: Final answer
    x = 13,018.09

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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.