Home / 17,542.20-26,321.10-9,220.20

Finding the Fourth Proportional to 17,542.20, 26,321.10 and 9,220.20

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Solution

The fourth proportional to 17,542.20, 26,321.10 and 9,220.20 is: 13,834.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,542.20 : 26,321.10 = 9,220.20 : x
  2. Step 2: Convert to fraction form
    17,542.20/26,321.10 = 9,220.20/x
  3. Step 3: Cross multiply
    17,542.20x = 26,321.10 × 9,220.20
  4. Step 4: Simplify right side
    17,542.20x = 242,685,806.22
  5. Step 5: Solve for x
    x = 242,685,806.22/17,542.20
  6. Step 6: Final answer
    x = 13,834.40

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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.