Home / 11,504.40-17,256.60-5,659.80

Finding the Fourth Proportional to 11,504.40, 17,256.60 and 5,659.80

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Solution

The fourth proportional to 11,504.40, 17,256.60 and 5,659.80 is: 8,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,504.40 : 17,256.60 = 5,659.80 : x
  2. Step 2: Convert to fraction form
    11,504.40/17,256.60 = 5,659.80/x
  3. Step 3: Cross multiply
    11,504.40x = 17,256.60 × 5,659.80
  4. Step 4: Simplify right side
    11,504.40x = 97,668,904.68
  5. Step 5: Solve for x
    x = 97,668,904.68/11,504.40
  6. Step 6: Final answer
    x = 8,489.70

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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.