Home / 13,238.34-19,818.44-6,984.89

Finding the Fourth Proportional to 13,238.34, 19,818.44 and 6,984.89

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Solution

The fourth proportional to 13,238.34, 19,818.44 and 6,984.89 is: 10,456.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238.34 : 19,818.44 = 6,984.89 : x
  2. Step 2: Convert to fraction form
    13,238.34/19,818.44 = 6,984.89/x
  3. Step 3: Cross multiply
    13,238.34x = 19,818.44 × 6,984.89
  4. Step 4: Simplify right side
    13,238.34x = 138,429,690.38
  5. Step 5: Solve for x
    x = 138,429,690.38/13,238.34
  6. Step 6: Final answer
    x = 10,456.73

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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.