Home / 19,918.59-27,488.82-10,966.88

Finding the Fourth Proportional to 19,918.59, 27,488.82 and 10,966.88

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Solution

The fourth proportional to 19,918.59, 27,488.82 and 10,966.88 is: 15,134.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918.59 : 27,488.82 = 10,966.88 : x
  2. Step 2: Convert to fraction form
    19,918.59/27,488.82 = 10,966.88/x
  3. Step 3: Cross multiply
    19,918.59x = 27,488.82 × 10,966.88
  4. Step 4: Simplify right side
    19,918.59x = 301,466,452.84
  5. Step 5: Solve for x
    x = 301,466,452.84/19,918.59
  6. Step 6: Final answer
    x = 15,134.93

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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.