Home / 14,127.12-21,194.10-4,265.81

Finding the Fourth Proportional to 14,127.12, 21,194.10 and 4,265.81

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Solution

The fourth proportional to 14,127.12, 21,194.10 and 4,265.81 is: 6,399.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.12 : 21,194.10 = 4,265.81 : x
  2. Step 2: Convert to fraction form
    14,127.12/21,194.10 = 4,265.81/x
  3. Step 3: Cross multiply
    14,127.12x = 21,194.10 × 4,265.81
  4. Step 4: Simplify right side
    14,127.12x = 90,410,003.72
  5. Step 5: Solve for x
    x = 90,410,003.72/14,127.12
  6. Step 6: Final answer
    x = 6,399.75

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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.