Home / 13,844.63-20,733.01-12,513.35

Finding the Fourth Proportional to 13,844.63, 20,733.01 and 12,513.35

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Solution

The fourth proportional to 13,844.63, 20,733.01 and 12,513.35 is: 18,739.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.63 : 20,733.01 = 12,513.35 : x
  2. Step 2: Convert to fraction form
    13,844.63/20,733.01 = 12,513.35/x
  3. Step 3: Cross multiply
    13,844.63x = 20,733.01 × 12,513.35
  4. Step 4: Simplify right side
    13,844.63x = 259,439,275.74
  5. Step 5: Solve for x
    x = 259,439,275.74/13,844.63
  6. Step 6: Final answer
    x = 18,739.35

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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.