Home / 19,454-29,177.84-6,971.88

Finding the Fourth Proportional to 19,454, 29,177.84 and 6,971.88

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Solution

The fourth proportional to 19,454, 29,177.84 and 6,971.88 is: 10,456.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,454 : 29,177.84 = 6,971.88 : x
  2. Step 2: Convert to fraction form
    19,454/29,177.84 = 6,971.88/x
  3. Step 3: Cross multiply
    19,454x = 29,177.84 × 6,971.88
  4. Step 4: Simplify right side
    19,454x = 203,424,399.14
  5. Step 5: Solve for x
    x = 203,424,399.14/19,454
  6. Step 6: Final answer
    x = 10,456.69

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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.