Home / 13,512.39-20,269.66-4,749.27

Finding the Fourth Proportional to 13,512.39, 20,269.66 and 4,749.27

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Solution

The fourth proportional to 13,512.39, 20,269.66 and 4,749.27 is: 7,124.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.39 : 20,269.66 = 4,749.27 : x
  2. Step 2: Convert to fraction form
    13,512.39/20,269.66 = 4,749.27/x
  3. Step 3: Cross multiply
    13,512.39x = 20,269.66 × 4,749.27
  4. Step 4: Simplify right side
    13,512.39x = 96,266,009.17
  5. Step 5: Solve for x
    x = 96,266,009.17/13,512.39
  6. Step 6: Final answer
    x = 7,124.28

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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.