Home / 19,620.50-29,449.24-7,152.57

Finding the Fourth Proportional to 19,620.50, 29,449.24 and 7,152.57

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Solution

The fourth proportional to 19,620.50, 29,449.24 and 7,152.57 is: 10,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.50 : 29,449.24 = 7,152.57 : x
  2. Step 2: Convert to fraction form
    19,620.50/29,449.24 = 7,152.57/x
  3. Step 3: Cross multiply
    19,620.50x = 29,449.24 × 7,152.57
  4. Step 4: Simplify right side
    19,620.50x = 210,637,732.67
  5. Step 5: Solve for x
    x = 210,637,732.67/19,620.50
  6. Step 6: Final answer
    x = 10,735.60

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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.