Home / 17,206.55-23,756.46-13,220.54

Finding the Fourth Proportional to 17,206.55, 23,756.46 and 13,220.54

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Solution

The fourth proportional to 17,206.55, 23,756.46 and 13,220.54 is: 18,253.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,206.55 : 23,756.46 = 13,220.54 : x
  2. Step 2: Convert to fraction form
    17,206.55/23,756.46 = 13,220.54/x
  3. Step 3: Cross multiply
    17,206.55x = 23,756.46 × 13,220.54
  4. Step 4: Simplify right side
    17,206.55x = 314,073,229.69
  5. Step 5: Solve for x
    x = 314,073,229.69/17,206.55
  6. Step 6: Final answer
    x = 18,253.12

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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.