Home / 19,573.74-29,360.70-4,782.78

Finding the Fourth Proportional to 19,573.74, 29,360.70 and 4,782.78

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Solution

The fourth proportional to 19,573.74, 29,360.70 and 4,782.78 is: 7,174.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.74 : 29,360.70 = 4,782.78 : x
  2. Step 2: Convert to fraction form
    19,573.74/29,360.70 = 4,782.78/x
  3. Step 3: Cross multiply
    19,573.74x = 29,360.70 × 4,782.78
  4. Step 4: Simplify right side
    19,573.74x = 140,425,768.75
  5. Step 5: Solve for x
    x = 140,425,768.75/19,573.74
  6. Step 6: Final answer
    x = 7,174.19

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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.