Home / 15,934.44-21,986.94-8,860.68

Finding the Fourth Proportional to 15,934.44, 21,986.94 and 8,860.68

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Solution

The fourth proportional to 15,934.44, 21,986.94 and 8,860.68 is: 12,226.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,934.44 : 21,986.94 = 8,860.68 : x
  2. Step 2: Convert to fraction form
    15,934.44/21,986.94 = 8,860.68/x
  3. Step 3: Cross multiply
    15,934.44x = 21,986.94 × 8,860.68
  4. Step 4: Simplify right side
    15,934.44x = 194,819,239.52
  5. Step 5: Solve for x
    x = 194,819,239.52/15,934.44
  6. Step 6: Final answer
    x = 12,226.30

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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.