Home / 13,749.86-20,625.60-5,959.28

Finding the Fourth Proportional to 13,749.86, 20,625.60 and 5,959.28

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Solution

The fourth proportional to 13,749.86, 20,625.60 and 5,959.28 is: 8,939.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.86 : 20,625.60 = 5,959.28 : x
  2. Step 2: Convert to fraction form
    13,749.86/20,625.60 = 5,959.28/x
  3. Step 3: Cross multiply
    13,749.86x = 20,625.60 × 5,959.28
  4. Step 4: Simplify right side
    13,749.86x = 122,913,725.57
  5. Step 5: Solve for x
    x = 122,913,725.57/13,749.86
  6. Step 6: Final answer
    x = 8,939.27

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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.