Home / 14,517.36-20,033.70-8,143.98

Finding the Fourth Proportional to 14,517.36, 20,033.70 and 8,143.98

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Solution

The fourth proportional to 14,517.36, 20,033.70 and 8,143.98 is: 11,238.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517.36 : 20,033.70 = 8,143.98 : x
  2. Step 2: Convert to fraction form
    14,517.36/20,033.70 = 8,143.98/x
  3. Step 3: Cross multiply
    14,517.36x = 20,033.70 × 8,143.98
  4. Step 4: Simplify right side
    14,517.36x = 163,154,052.13
  5. Step 5: Solve for x
    x = 163,154,052.13/14,517.36
  6. Step 6: Final answer
    x = 11,238.55

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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.