Home / 19,917.32-27,486.90-10,964.73

Finding the Fourth Proportional to 19,917.32, 27,486.90 and 10,964.73

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Solution

The fourth proportional to 19,917.32, 27,486.90 and 10,964.73 is: 15,131.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,917.32 : 27,486.90 = 10,964.73 : x
  2. Step 2: Convert to fraction form
    19,917.32/27,486.90 = 10,964.73/x
  3. Step 3: Cross multiply
    19,917.32x = 27,486.90 × 10,964.73
  4. Step 4: Simplify right side
    19,917.32x = 301,386,382.21
  5. Step 5: Solve for x
    x = 301,386,382.21/19,917.32
  6. Step 6: Final answer
    x = 15,131.87

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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.