Home / 9,961.15-13,746.30-5,484.97

Finding the Fourth Proportional to 9,961.15, 13,746.30 and 5,484.97

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Solution

The fourth proportional to 9,961.15, 13,746.30 and 5,484.97 is: 7,569.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.15 : 13,746.30 = 5,484.97 : x
  2. Step 2: Convert to fraction form
    9,961.15/13,746.30 = 5,484.97/x
  3. Step 3: Cross multiply
    9,961.15x = 13,746.30 × 5,484.97
  4. Step 4: Simplify right side
    9,961.15x = 75,398,043.11
  5. Step 5: Solve for x
    x = 75,398,043.11/9,961.15
  6. Step 6: Final answer
    x = 7,569.21

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Why These Related Problems?

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