Home / 13,914.80-19,203.21-8,252.90

Finding the Fourth Proportional to 13,914.80, 19,203.21 and 8,252.90

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Solution

The fourth proportional to 13,914.80, 19,203.21 and 8,252.90 is: 11,389.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.80 : 19,203.21 = 8,252.90 : x
  2. Step 2: Convert to fraction form
    13,914.80/19,203.21 = 8,252.90/x
  3. Step 3: Cross multiply
    13,914.80x = 19,203.21 × 8,252.90
  4. Step 4: Simplify right side
    13,914.80x = 158,482,171.81
  5. Step 5: Solve for x
    x = 158,482,171.81/13,914.80
  6. Step 6: Final answer
    x = 11,389.47

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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.