Home / 13,829.58-20,725.77-7,580.22

Finding the Fourth Proportional to 13,829.58, 20,725.77 and 7,580.22

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Solution

The fourth proportional to 13,829.58, 20,725.77 and 7,580.22 is: 11,360.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.58 : 20,725.77 = 7,580.22 : x
  2. Step 2: Convert to fraction form
    13,829.58/20,725.77 = 7,580.22/x
  3. Step 3: Cross multiply
    13,829.58x = 20,725.77 × 7,580.22
  4. Step 4: Simplify right side
    13,829.58x = 157,105,896.27
  5. Step 5: Solve for x
    x = 157,105,896.27/13,829.58
  6. Step 6: Final answer
    x = 11,360.14

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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.