Home / 30,170.74-45,258.77-11,195.59

Finding the Fourth Proportional to 30,170.74, 45,258.77 and 11,195.59

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Solution

The fourth proportional to 30,170.74, 45,258.77 and 11,195.59 is: 16,794.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,170.74 : 45,258.77 = 11,195.59 : x
  2. Step 2: Convert to fraction form
    30,170.74/45,258.77 = 11,195.59/x
  3. Step 3: Cross multiply
    30,170.74x = 45,258.77 × 11,195.59
  4. Step 4: Simplify right side
    30,170.74x = 506,698,632.82
  5. Step 5: Solve for x
    x = 506,698,632.82/30,170.74
  6. Step 6: Final answer
    x = 16,794.37

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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.