Home / 19,945.54-29,918.30-5,904.48

Finding the Fourth Proportional to 19,945.54, 29,918.30 and 5,904.48

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Solution

The fourth proportional to 19,945.54, 29,918.30 and 5,904.48 is: 8,856.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.54 : 29,918.30 = 5,904.48 : x
  2. Step 2: Convert to fraction form
    19,945.54/29,918.30 = 5,904.48/x
  3. Step 3: Cross multiply
    19,945.54x = 29,918.30 × 5,904.48
  4. Step 4: Simplify right side
    19,945.54x = 176,652,003.98
  5. Step 5: Solve for x
    x = 176,652,003.98/19,945.54
  6. Step 6: Final answer
    x = 8,856.72

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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.