Home / 19,965.62-29,953.56-7,485.82

Finding the Fourth Proportional to 19,965.62, 29,953.56 and 7,485.82

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Solution

The fourth proportional to 19,965.62, 29,953.56 and 7,485.82 is: 11,230.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,965.62 : 29,953.56 = 7,485.82 : x
  2. Step 2: Convert to fraction form
    19,965.62/29,953.56 = 7,485.82/x
  3. Step 3: Cross multiply
    19,965.62x = 29,953.56 × 7,485.82
  4. Step 4: Simplify right side
    19,965.62x = 224,226,958.52
  5. Step 5: Solve for x
    x = 224,226,958.52/19,965.62
  6. Step 6: Final answer
    x = 11,230.65

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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.