Home / 11,771.04-17,638.86-10,659.72

Finding the Fourth Proportional to 11,771.04, 17,638.86 and 10,659.72

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Solution

The fourth proportional to 11,771.04, 17,638.86 and 10,659.72 is: 15,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771.04 : 17,638.86 = 10,659.72 : x
  2. Step 2: Convert to fraction form
    11,771.04/17,638.86 = 10,659.72/x
  3. Step 3: Cross multiply
    11,771.04x = 17,638.86 × 10,659.72
  4. Step 4: Simplify right side
    11,771.04x = 188,025,308.72
  5. Step 5: Solve for x
    x = 188,025,308.72/11,771.04
  6. Step 6: Final answer
    x = 15,973.55

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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.