Home / 13,911.06-20,869.77-4,677.06

Finding the Fourth Proportional to 13,911.06, 20,869.77 and 4,677.06

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Solution

The fourth proportional to 13,911.06, 20,869.77 and 4,677.06 is: 7,016.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.06 : 20,869.77 = 4,677.06 : x
  2. Step 2: Convert to fraction form
    13,911.06/20,869.77 = 4,677.06/x
  3. Step 3: Cross multiply
    13,911.06x = 20,869.77 × 4,677.06
  4. Step 4: Simplify right side
    13,911.06x = 97,609,166.48
  5. Step 5: Solve for x
    x = 97,609,166.48/13,911.06
  6. Step 6: Final answer
    x = 7,016.66

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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.