Home / 19,929.60-29,895.24-7,448.37

Finding the Fourth Proportional to 19,929.60, 29,895.24 and 7,448.37

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Solution

The fourth proportional to 19,929.60, 29,895.24 and 7,448.37 is: 11,172.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.60 : 29,895.24 = 7,448.37 : x
  2. Step 2: Convert to fraction form
    19,929.60/29,895.24 = 7,448.37/x
  3. Step 3: Cross multiply
    19,929.60x = 29,895.24 × 7,448.37
  4. Step 4: Simplify right side
    19,929.60x = 222,670,808.76
  5. Step 5: Solve for x
    x = 222,670,808.76/19,929.60
  6. Step 6: Final answer
    x = 11,172.87

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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.