Home / 14,129.91-19,369.62-13,999.23

Finding the Fourth Proportional to 14,129.91, 19,369.62 and 13,999.23

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Solution

The fourth proportional to 14,129.91, 19,369.62 and 13,999.23 is: 19,190.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.91 : 19,369.62 = 13,999.23 : x
  2. Step 2: Convert to fraction form
    14,129.91/19,369.62 = 13,999.23/x
  3. Step 3: Cross multiply
    14,129.91x = 19,369.62 × 13,999.23
  4. Step 4: Simplify right side
    14,129.91x = 271,159,765.39
  5. Step 5: Solve for x
    x = 271,159,765.39/14,129.91
  6. Step 6: Final answer
    x = 19,190.48

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.