Home / 19,709.79-29,565.36-6,382.46

Finding the Fourth Proportional to 19,709.79, 29,565.36 and 6,382.46

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Solution

The fourth proportional to 19,709.79, 29,565.36 and 6,382.46 is: 9,573.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.79 : 29,565.36 = 6,382.46 : x
  2. Step 2: Convert to fraction form
    19,709.79/29,565.36 = 6,382.46/x
  3. Step 3: Cross multiply
    19,709.79x = 29,565.36 × 6,382.46
  4. Step 4: Simplify right side
    19,709.79x = 188,699,579.76
  5. Step 5: Solve for x
    x = 188,699,579.76/19,709.79
  6. Step 6: Final answer
    x = 9,573.90

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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.