Home / 13,841.40-20,755.38-6,444.12

Finding the Fourth Proportional to 13,841.40, 20,755.38 and 6,444.12

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Solution

The fourth proportional to 13,841.40, 20,755.38 and 6,444.12 is: 9,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.40 : 20,755.38 = 6,444.12 : x
  2. Step 2: Convert to fraction form
    13,841.40/20,755.38 = 6,444.12/x
  3. Step 3: Cross multiply
    13,841.40x = 20,755.38 × 6,444.12
  4. Step 4: Simplify right side
    13,841.40x = 133,750,159.37
  5. Step 5: Solve for x
    x = 133,750,159.37/13,841.40
  6. Step 6: Final answer
    x = 9,663.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.