Home / 14,009.66-19,342.33-8,711.68

Finding the Fourth Proportional to 14,009.66, 19,342.33 and 8,711.68

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Solution

The fourth proportional to 14,009.66, 19,342.33 and 8,711.68 is: 12,027.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.66 : 19,342.33 = 8,711.68 : x
  2. Step 2: Convert to fraction form
    14,009.66/19,342.33 = 8,711.68/x
  3. Step 3: Cross multiply
    14,009.66x = 19,342.33 × 8,711.68
  4. Step 4: Simplify right side
    14,009.66x = 168,504,189.41
  5. Step 5: Solve for x
    x = 168,504,189.41/14,009.66
  6. Step 6: Final answer
    x = 12,027.71

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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.