Home / 13,663.26-20,504.30-8,985.50

Finding the Fourth Proportional to 13,663.26, 20,504.30 and 8,985.50

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Solution

The fourth proportional to 13,663.26, 20,504.30 and 8,985.50 is: 13,484.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663.26 : 20,504.30 = 8,985.50 : x
  2. Step 2: Convert to fraction form
    13,663.26/20,504.30 = 8,985.50/x
  3. Step 3: Cross multiply
    13,663.26x = 20,504.30 × 8,985.50
  4. Step 4: Simplify right side
    13,663.26x = 184,241,387.65
  5. Step 5: Solve for x
    x = 184,241,387.65/13,663.26
  6. Step 6: Final answer
    x = 13,484.44

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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.