Home / 30,166.43-45,243.69-10,173.97

Finding the Fourth Proportional to 30,166.43, 45,243.69 and 10,173.97

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Solution

The fourth proportional to 30,166.43, 45,243.69 and 10,173.97 is: 15,258.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,166.43 : 45,243.69 = 10,173.97 : x
  2. Step 2: Convert to fraction form
    30,166.43/45,243.69 = 10,173.97/x
  3. Step 3: Cross multiply
    30,166.43x = 45,243.69 × 10,173.97
  4. Step 4: Simplify right side
    30,166.43x = 460,307,944.75
  5. Step 5: Solve for x
    x = 460,307,944.75/30,166.43
  6. Step 6: Final answer
    x = 15,258.95

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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.