Home / 20,163.00-27,821.88-11,547.84

Finding the Fourth Proportional to 20,163.00, 27,821.88 and 11,547.84

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Solution

The fourth proportional to 20,163.00, 27,821.88 and 11,547.84 is: 15,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163.00 : 27,821.88 = 11,547.84 : x
  2. Step 2: Convert to fraction form
    20,163.00/27,821.88 = 11,547.84/x
  3. Step 3: Cross multiply
    20,163.00x = 27,821.88 × 11,547.84
  4. Step 4: Simplify right side
    20,163.00x = 321,282,618.74
  5. Step 5: Solve for x
    x = 321,282,618.74/20,163.00
  6. Step 6: Final answer
    x = 15,934.27

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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.