Home / 12,129.56-16,740.83-7,024.33

Finding the Fourth Proportional to 12,129.56, 16,740.83 and 7,024.33

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Solution

The fourth proportional to 12,129.56, 16,740.83 and 7,024.33 is: 9,694.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,129.56 : 16,740.83 = 7,024.33 : x
  2. Step 2: Convert to fraction form
    12,129.56/16,740.83 = 7,024.33/x
  3. Step 3: Cross multiply
    12,129.56x = 16,740.83 × 7,024.33
  4. Step 4: Simplify right side
    12,129.56x = 117,593,114.39
  5. Step 5: Solve for x
    x = 117,593,114.39/12,129.56
  6. Step 6: Final answer
    x = 9,694.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.