Home / 17,790.03-24,558.39-12,689.46

Finding the Fourth Proportional to 17,790.03, 24,558.39 and 12,689.46

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Solution

The fourth proportional to 17,790.03, 24,558.39 and 12,689.46 is: 17,517.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,790.03 : 24,558.39 = 12,689.46 : x
  2. Step 2: Convert to fraction form
    17,790.03/24,558.39 = 12,689.46/x
  3. Step 3: Cross multiply
    17,790.03x = 24,558.39 × 12,689.46
  4. Step 4: Simplify right side
    17,790.03x = 311,632,707.57
  5. Step 5: Solve for x
    x = 311,632,707.57/17,790.03
  6. Step 6: Final answer
    x = 17,517.27

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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.