Home / 19,919.53-27,488.73-10,966.85

Finding the Fourth Proportional to 19,919.53, 27,488.73 and 10,966.85

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Solution

The fourth proportional to 19,919.53, 27,488.73 and 10,966.85 is: 15,134.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,919.53 : 27,488.73 = 10,966.85 : x
  2. Step 2: Convert to fraction form
    19,919.53/27,488.73 = 10,966.85/x
  3. Step 3: Cross multiply
    19,919.53x = 27,488.73 × 10,966.85
  4. Step 4: Simplify right side
    19,919.53x = 301,464,778.60
  5. Step 5: Solve for x
    x = 301,464,778.60/19,919.53
  6. Step 6: Final answer
    x = 15,134.13

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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.