Home / 19,774.33-27,288.57-10,821.83

Finding the Fourth Proportional to 19,774.33, 27,288.57 and 10,821.83

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Solution

The fourth proportional to 19,774.33, 27,288.57 and 10,821.83 is: 14,934.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,774.33 : 27,288.57 = 10,821.83 : x
  2. Step 2: Convert to fraction form
    19,774.33/27,288.57 = 10,821.83/x
  3. Step 3: Cross multiply
    19,774.33x = 27,288.57 × 10,821.83
  4. Step 4: Simplify right side
    19,774.33x = 295,312,265.48
  5. Step 5: Solve for x
    x = 295,312,265.48/19,774.33
  6. Step 6: Final answer
    x = 14,934.12

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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.