Home / 19,618.00-27,072.97-10,665.68

Finding the Fourth Proportional to 19,618.00, 27,072.97 and 10,665.68

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Solution

The fourth proportional to 19,618.00, 27,072.97 and 10,665.68 is: 14,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.00 : 27,072.97 = 10,665.68 : x
  2. Step 2: Convert to fraction form
    19,618.00/27,072.97 = 10,665.68/x
  3. Step 3: Cross multiply
    19,618.00x = 27,072.97 × 10,665.68
  4. Step 4: Simplify right side
    19,618.00x = 288,751,472.64
  5. Step 5: Solve for x
    x = 288,751,472.64/19,618.00
  6. Step 6: Final answer
    x = 14,718.70

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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.