Home / 19,919.35-27,488.46-10,966.66

Finding the Fourth Proportional to 19,919.35, 27,488.46 and 10,966.66

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Solution

The fourth proportional to 19,919.35, 27,488.46 and 10,966.66 is: 15,133.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,919.35 : 27,488.46 = 10,966.66 : x
  2. Step 2: Convert to fraction form
    19,919.35/27,488.46 = 10,966.66/x
  3. Step 3: Cross multiply
    19,919.35x = 27,488.46 × 10,966.66
  4. Step 4: Simplify right side
    19,919.35x = 301,456,594.74
  5. Step 5: Solve for x
    x = 301,456,594.74/19,919.35
  6. Step 6: Final answer
    x = 15,133.86

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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.