Home / 19,727.96-27,186.90-14,129.24

Finding the Fourth Proportional to 19,727.96, 27,186.90 and 14,129.24

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Solution

The fourth proportional to 19,727.96, 27,186.90 and 14,129.24 is: 19,471.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.96 : 27,186.90 = 14,129.24 : x
  2. Step 2: Convert to fraction form
    19,727.96/27,186.90 = 14,129.24/x
  3. Step 3: Cross multiply
    19,727.96x = 27,186.90 × 14,129.24
  4. Step 4: Simplify right side
    19,727.96x = 384,130,234.96
  5. Step 5: Solve for x
    x = 384,130,234.96/19,727.96
  6. Step 6: Final answer
    x = 19,471.36

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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.