Home / 15,815.80-23,727.58-11,144.92

Finding the Fourth Proportional to 15,815.80, 23,727.58 and 11,144.92

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Solution

The fourth proportional to 15,815.80, 23,727.58 and 11,144.92 is: 16,720.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815.80 : 23,727.58 = 11,144.92 : x
  2. Step 2: Convert to fraction form
    15,815.80/23,727.58 = 11,144.92/x
  3. Step 3: Cross multiply
    15,815.80x = 23,727.58 × 11,144.92
  4. Step 4: Simplify right side
    15,815.80x = 264,441,980.89
  5. Step 5: Solve for x
    x = 264,441,980.89/15,815.80
  6. Step 6: Final answer
    x = 16,720.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.