Home / 15,924.12-23,841.12-12,171.60

Finding the Fourth Proportional to 15,924.12, 23,841.12 and 12,171.60

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Solution

The fourth proportional to 15,924.12, 23,841.12 and 12,171.60 is: 18,222.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,924.12 : 23,841.12 = 12,171.60 : x
  2. Step 2: Convert to fraction form
    15,924.12/23,841.12 = 12,171.60/x
  3. Step 3: Cross multiply
    15,924.12x = 23,841.12 × 12,171.60
  4. Step 4: Simplify right side
    15,924.12x = 290,184,576.19
  5. Step 5: Solve for x
    x = 290,184,576.19/15,924.12
  6. Step 6: Final answer
    x = 18,222.96

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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.