Home / 19,515.83-29,273.81-4,724.72

Finding the Fourth Proportional to 19,515.83, 29,273.81 and 4,724.72

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Solution

The fourth proportional to 19,515.83, 29,273.81 and 4,724.72 is: 7,087.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.83 : 29,273.81 = 4,724.72 : x
  2. Step 2: Convert to fraction form
    19,515.83/29,273.81 = 4,724.72/x
  3. Step 3: Cross multiply
    19,515.83x = 29,273.81 × 4,724.72
  4. Step 4: Simplify right side
    19,515.83x = 138,310,495.37
  5. Step 5: Solve for x
    x = 138,310,495.37/19,515.83
  6. Step 6: Final answer
    x = 7,087.09

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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.