Home / 19,087.52-28,623.36-7,394

Finding the Fourth Proportional to 19,087.52, 28,623.36 and 7,394

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Solution

The fourth proportional to 19,087.52, 28,623.36 and 7,394 is: 11,087.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,087.52 : 28,623.36 = 7,394 : x
  2. Step 2: Convert to fraction form
    19,087.52/28,623.36 = 7,394/x
  3. Step 3: Cross multiply
    19,087.52x = 28,623.36 × 7,394
  4. Step 4: Simplify right side
    19,087.52x = 211,641,123.84
  5. Step 5: Solve for x
    x = 211,641,123.84/19,087.52
  6. Step 6: Final answer
    x = 11,087.93

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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.