Home / 19,917.09-27,484.62-10,964.41

Finding the Fourth Proportional to 19,917.09, 27,484.62 and 10,964.41

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Solution

The fourth proportional to 19,917.09, 27,484.62 and 10,964.41 is: 15,130.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,917.09 : 27,484.62 = 10,964.41 : x
  2. Step 2: Convert to fraction form
    19,917.09/27,484.62 = 10,964.41/x
  3. Step 3: Cross multiply
    19,917.09x = 27,484.62 × 10,964.41
  4. Step 4: Simplify right side
    19,917.09x = 301,352,687.15
  5. Step 5: Solve for x
    x = 301,352,687.15/19,917.09
  6. Step 6: Final answer
    x = 15,130.36

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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.