Home / 9,961.28-13,746.53-5,485.04

Finding the Fourth Proportional to 9,961.28, 13,746.53 and 5,485.04

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Solution

The fourth proportional to 9,961.28, 13,746.53 and 5,485.04 is: 7,569.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.28 : 13,746.53 = 5,485.04 : x
  2. Step 2: Convert to fraction form
    9,961.28/13,746.53 = 5,485.04/x
  3. Step 3: Cross multiply
    9,961.28x = 13,746.53 × 5,485.04
  4. Step 4: Simplify right side
    9,961.28x = 75,400,263.44
  5. Step 5: Solve for x
    x = 75,400,263.44/9,961.28
  6. Step 6: Final answer
    x = 7,569.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.