Home / 19,918.54-27,488.37-10,966.87

Finding the Fourth Proportional to 19,918.54, 27,488.37 and 10,966.87

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Solution

The fourth proportional to 19,918.54, 27,488.37 and 10,966.87 is: 15,134.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918.54 : 27,488.37 = 10,966.87 : x
  2. Step 2: Convert to fraction form
    19,918.54/27,488.37 = 10,966.87/x
  3. Step 3: Cross multiply
    19,918.54x = 27,488.37 × 10,966.87
  4. Step 4: Simplify right side
    19,918.54x = 301,461,380.30
  5. Step 5: Solve for x
    x = 301,461,380.30/19,918.54
  6. Step 6: Final answer
    x = 15,134.71

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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.