Home / 17,919.96-26,871.22-5,437.72

Finding the Fourth Proportional to 17,919.96, 26,871.22 and 5,437.72

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Solution

The fourth proportional to 17,919.96, 26,871.22 and 5,437.72 is: 8,153.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.96 : 26,871.22 = 5,437.72 : x
  2. Step 2: Convert to fraction form
    17,919.96/26,871.22 = 5,437.72/x
  3. Step 3: Cross multiply
    17,919.96x = 26,871.22 × 5,437.72
  4. Step 4: Simplify right side
    17,919.96x = 146,118,170.42
  5. Step 5: Solve for x
    x = 146,118,170.42/17,919.96
  6. Step 6: Final answer
    x = 8,153.93

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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.