Home / 19,318.60-28,977.90-5,467.72

Finding the Fourth Proportional to 19,318.60, 28,977.90 and 5,467.72

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Solution

The fourth proportional to 19,318.60, 28,977.90 and 5,467.72 is: 8,201.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.60 : 28,977.90 = 5,467.72 : x
  2. Step 2: Convert to fraction form
    19,318.60/28,977.90 = 5,467.72/x
  3. Step 3: Cross multiply
    19,318.60x = 28,977.90 × 5,467.72
  4. Step 4: Simplify right side
    19,318.60x = 158,443,043.39
  5. Step 5: Solve for x
    x = 158,443,043.39/19,318.60
  6. Step 6: Final answer
    x = 8,201.58

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1.5x scale

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.