Home / 19,318.64-28,977.42-6,171.80

Finding the Fourth Proportional to 19,318.64, 28,977.42 and 6,171.80

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Solution

The fourth proportional to 19,318.64, 28,977.42 and 6,171.80 is: 9,257.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.64 : 28,977.42 = 6,171.80 : x
  2. Step 2: Convert to fraction form
    19,318.64/28,977.42 = 6,171.80/x
  3. Step 3: Cross multiply
    19,318.64x = 28,977.42 × 6,171.80
  4. Step 4: Simplify right side
    19,318.64x = 178,842,840.76
  5. Step 5: Solve for x
    x = 178,842,840.76/19,318.64
  6. Step 6: Final answer
    x = 9,257.53

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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.