Home / 14,199.08-21,265.79-13,707

Finding the Fourth Proportional to 14,199.08, 21,265.79 and 13,707

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Solution

The fourth proportional to 14,199.08, 21,265.79 and 13,707 is: 20,528.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,199.08 : 21,265.79 = 13,707 : x
  2. Step 2: Convert to fraction form
    14,199.08/21,265.79 = 13,707/x
  3. Step 3: Cross multiply
    14,199.08x = 21,265.79 × 13,707
  4. Step 4: Simplify right side
    14,199.08x = 291,490,115.00
  5. Step 5: Solve for x
    x = 291,490,115.00/14,199.08
  6. Step 6: Final answer
    x = 20,528.81

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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.