Home / 9,816.64-13,546.69-5,340.58

Finding the Fourth Proportional to 9,816.64, 13,546.69 and 5,340.58

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Solution

The fourth proportional to 9,816.64, 13,546.69 and 5,340.58 is: 7,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.64 : 13,546.69 = 5,340.58 : x
  2. Step 2: Convert to fraction form
    9,816.64/13,546.69 = 5,340.58/x
  3. Step 3: Cross multiply
    9,816.64x = 13,546.69 × 5,340.58
  4. Step 4: Simplify right side
    9,816.64x = 72,347,181.68
  5. Step 5: Solve for x
    x = 72,347,181.68/9,816.64
  6. Step 6: Final answer
    x = 7,369.85

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1.5x scale

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.