Home / 14,546.83-20,073.39-8,172.92

Finding the Fourth Proportional to 14,546.83, 20,073.39 and 8,172.92

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Solution

The fourth proportional to 14,546.83, 20,073.39 and 8,172.92 is: 11,277.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,546.83 : 20,073.39 = 8,172.92 : x
  2. Step 2: Convert to fraction form
    14,546.83/20,073.39 = 8,172.92/x
  3. Step 3: Cross multiply
    14,546.83x = 20,073.39 × 8,172.92
  4. Step 4: Simplify right side
    14,546.83x = 164,058,210.60
  5. Step 5: Solve for x
    x = 164,058,210.60/14,546.83
  6. Step 6: Final answer
    x = 11,277.94

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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.