Home / 17,202.81-25,806.65-5,513.30

Finding the Fourth Proportional to 17,202.81, 25,806.65 and 5,513.30

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Solution

The fourth proportional to 17,202.81, 25,806.65 and 5,513.30 is: 8,270.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,202.81 : 25,806.65 = 5,513.30 : x
  2. Step 2: Convert to fraction form
    17,202.81/25,806.65 = 5,513.30/x
  3. Step 3: Cross multiply
    17,202.81x = 25,806.65 × 5,513.30
  4. Step 4: Simplify right side
    17,202.81x = 142,279,803.45
  5. Step 5: Solve for x
    x = 142,279,803.45/17,202.81
  6. Step 6: Final answer
    x = 8,270.73

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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.