Home / 16,749.36-25,112.64-5,650.80

Finding the Fourth Proportional to 16,749.36, 25,112.64 and 5,650.80

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Solution

The fourth proportional to 16,749.36, 25,112.64 and 5,650.80 is: 8,472.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,749.36 : 25,112.64 = 5,650.80 : x
  2. Step 2: Convert to fraction form
    16,749.36/25,112.64 = 5,650.80/x
  3. Step 3: Cross multiply
    16,749.36x = 25,112.64 × 5,650.80
  4. Step 4: Simplify right side
    16,749.36x = 141,906,506.11
  5. Step 5: Solve for x
    x = 141,906,506.11/16,749.36
  6. Step 6: Final answer
    x = 8,472.35

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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.