Home / 18,127.92-25,027.73-12,086.66

Finding the Fourth Proportional to 18,127.92, 25,027.73 and 12,086.66

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Solution

The fourth proportional to 18,127.92, 25,027.73 and 12,086.66 is: 16,687.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.92 : 25,027.73 = 12,086.66 : x
  2. Step 2: Convert to fraction form
    18,127.92/25,027.73 = 12,086.66/x
  3. Step 3: Cross multiply
    18,127.92x = 25,027.73 × 12,086.66
  4. Step 4: Simplify right side
    18,127.92x = 302,501,663.08
  5. Step 5: Solve for x
    x = 302,501,663.08/18,127.92
  6. Step 6: Final answer
    x = 16,687.06

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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.