Home / 13,977.25-20,945.48-6,483.10

Finding the Fourth Proportional to 13,977.25, 20,945.48 and 6,483.10

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Solution

The fourth proportional to 13,977.25, 20,945.48 and 6,483.10 is: 9,715.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977.25 : 20,945.48 = 6,483.10 : x
  2. Step 2: Convert to fraction form
    13,977.25/20,945.48 = 6,483.10/x
  3. Step 3: Cross multiply
    13,977.25x = 20,945.48 × 6,483.10
  4. Step 4: Simplify right side
    13,977.25x = 135,791,641.39
  5. Step 5: Solve for x
    x = 135,791,641.39/13,977.25
  6. Step 6: Final answer
    x = 9,715.19

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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.