Home / 19,336.30-29,003.83-5,485.30

Finding the Fourth Proportional to 19,336.30, 29,003.83 and 5,485.30

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Solution

The fourth proportional to 19,336.30, 29,003.83 and 5,485.30 is: 8,227.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,336.30 : 29,003.83 = 5,485.30 : x
  2. Step 2: Convert to fraction form
    19,336.30/29,003.83 = 5,485.30/x
  3. Step 3: Cross multiply
    19,336.30x = 29,003.83 × 5,485.30
  4. Step 4: Simplify right side
    19,336.30x = 159,094,708.70
  5. Step 5: Solve for x
    x = 159,094,708.70/19,336.30
  6. Step 6: Final answer
    x = 8,227.77

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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.