Home / 21,134.60-31,703.52-6,342.44

Finding the Fourth Proportional to 21,134.60, 31,703.52 and 6,342.44

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Solution

The fourth proportional to 21,134.60, 31,703.52 and 6,342.44 is: 9,514.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,134.60 : 31,703.52 = 6,342.44 : x
  2. Step 2: Convert to fraction form
    21,134.60/31,703.52 = 6,342.44/x
  3. Step 3: Cross multiply
    21,134.60x = 31,703.52 × 6,342.44
  4. Step 4: Simplify right side
    21,134.60x = 201,077,673.39
  5. Step 5: Solve for x
    x = 201,077,673.39/21,134.60
  6. Step 6: Final answer
    x = 9,514.15

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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.