Home / 11,659.75-17,486.55-4,639.48

Finding the Fourth Proportional to 11,659.75, 17,486.55 and 4,639.48

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Solution

The fourth proportional to 11,659.75, 17,486.55 and 4,639.48 is: 6,957.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,659.75 : 17,486.55 = 4,639.48 : x
  2. Step 2: Convert to fraction form
    11,659.75/17,486.55 = 4,639.48/x
  3. Step 3: Cross multiply
    11,659.75x = 17,486.55 × 4,639.48
  4. Step 4: Simplify right side
    11,659.75x = 81,128,455.28
  5. Step 5: Solve for x
    x = 81,128,455.28/11,659.75
  6. Step 6: Final answer
    x = 6,957.99

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1.5x scale

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.