Home / 13,941.28-20,919.04-9,264.48

Finding the Fourth Proportional to 13,941.28, 20,919.04 and 9,264.48

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Solution

The fourth proportional to 13,941.28, 20,919.04 and 9,264.48 is: 13,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.28 : 20,919.04 = 9,264.48 : x
  2. Step 2: Convert to fraction form
    13,941.28/20,919.04 = 9,264.48/x
  3. Step 3: Cross multiply
    13,941.28x = 20,919.04 × 9,264.48
  4. Step 4: Simplify right side
    13,941.28x = 193,804,027.70
  5. Step 5: Solve for x
    x = 193,804,027.70/13,941.28
  6. Step 6: Final answer
    x = 13,901.45

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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.