Home / 19,919.29-27,488.46-10,966.94

Finding the Fourth Proportional to 19,919.29, 27,488.46 and 10,966.94

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Solution

The fourth proportional to 19,919.29, 27,488.46 and 10,966.94 is: 15,134.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,919.29 : 27,488.46 = 10,966.94 : x
  2. Step 2: Convert to fraction form
    19,919.29/27,488.46 = 10,966.94/x
  3. Step 3: Cross multiply
    19,919.29x = 27,488.46 × 10,966.94
  4. Step 4: Simplify right side
    19,919.29x = 301,464,291.51
  5. Step 5: Solve for x
    x = 301,464,291.51/19,919.29
  6. Step 6: Final answer
    x = 15,134.29

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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.