Home / 15,537.12-21,441.48-8,822.94

Finding the Fourth Proportional to 15,537.12, 21,441.48 and 8,822.94

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Solution

The fourth proportional to 15,537.12, 21,441.48 and 8,822.94 is: 12,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.12 : 21,441.48 = 8,822.94 : x
  2. Step 2: Convert to fraction form
    15,537.12/21,441.48 = 8,822.94/x
  3. Step 3: Cross multiply
    15,537.12x = 21,441.48 × 8,822.94
  4. Step 4: Simplify right side
    15,537.12x = 189,176,891.55
  5. Step 5: Solve for x
    x = 189,176,891.55/15,537.12
  6. Step 6: Final answer
    x = 12,175.80

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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.