Home / 19,917.67-27,486.17-10,964.99

Finding the Fourth Proportional to 19,917.67, 27,486.17 and 10,964.99

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Solution

The fourth proportional to 19,917.67, 27,486.17 and 10,964.99 is: 15,131.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,917.67 : 27,486.17 = 10,964.99 : x
  2. Step 2: Convert to fraction form
    19,917.67/27,486.17 = 10,964.99/x
  3. Step 3: Cross multiply
    19,917.67x = 27,486.17 × 10,964.99
  4. Step 4: Simplify right side
    19,917.67x = 301,385,524.36
  5. Step 5: Solve for x
    x = 301,385,524.36/19,917.67
  6. Step 6: Final answer
    x = 15,131.57

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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.