Home / 19,741.32-27,234.81-12,933.40

Finding the Fourth Proportional to 19,741.32, 27,234.81 and 12,933.40

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Solution

The fourth proportional to 19,741.32, 27,234.81 and 12,933.40 is: 17,842.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,741.32 : 27,234.81 = 12,933.40 : x
  2. Step 2: Convert to fraction form
    19,741.32/27,234.81 = 12,933.40/x
  3. Step 3: Cross multiply
    19,741.32x = 27,234.81 × 12,933.40
  4. Step 4: Simplify right side
    19,741.32x = 352,238,691.65
  5. Step 5: Solve for x
    x = 352,238,691.65/19,741.32
  6. Step 6: Final answer
    x = 17,842.71

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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.