Home / 19,390.16-29,093.88-10,154

Finding the Fourth Proportional to 19,390.16, 29,093.88 and 10,154

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Solution

The fourth proportional to 19,390.16, 29,093.88 and 10,154 is: 15,235.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.16 : 29,093.88 = 10,154 : x
  2. Step 2: Convert to fraction form
    19,390.16/29,093.88 = 10,154/x
  3. Step 3: Cross multiply
    19,390.16x = 29,093.88 × 10,154
  4. Step 4: Simplify right side
    19,390.16x = 295,419,257.52
  5. Step 5: Solve for x
    x = 295,419,257.52/19,390.16
  6. Step 6: Final answer
    x = 15,235.52

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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.