Home / 14,250.06-21,321.63-13,500

Finding the Fourth Proportional to 14,250.06, 21,321.63 and 13,500

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Solution

The fourth proportional to 14,250.06, 21,321.63 and 13,500 is: 20,199.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.06 : 21,321.63 = 13,500 : x
  2. Step 2: Convert to fraction form
    14,250.06/21,321.63 = 13,500/x
  3. Step 3: Cross multiply
    14,250.06x = 21,321.63 × 13,500
  4. Step 4: Simplify right side
    14,250.06x = 287,842,005
  5. Step 5: Solve for x
    x = 287,842,005/14,250.06
  6. Step 6: Final answer
    x = 20,199.35

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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.