Home / 19,688.60-27,162.24-12,027.92

Finding the Fourth Proportional to 19,688.60, 27,162.24 and 12,027.92

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Solution

The fourth proportional to 19,688.60, 27,162.24 and 12,027.92 is: 16,593.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.60 : 27,162.24 = 12,027.92 : x
  2. Step 2: Convert to fraction form
    19,688.60/27,162.24 = 12,027.92/x
  3. Step 3: Cross multiply
    19,688.60x = 27,162.24 × 12,027.92
  4. Step 4: Simplify right side
    19,688.60x = 326,705,249.74
  5. Step 5: Solve for x
    x = 326,705,249.74/19,688.60
  6. Step 6: Final answer
    x = 16,593.63

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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.