Home / 15,072.54-22,622.81-7,682.55

Finding the Fourth Proportional to 15,072.54, 22,622.81 and 7,682.55

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Solution

The fourth proportional to 15,072.54, 22,622.81 and 7,682.55 is: 11,530.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,072.54 : 22,622.81 = 7,682.55 : x
  2. Step 2: Convert to fraction form
    15,072.54/22,622.81 = 7,682.55/x
  3. Step 3: Cross multiply
    15,072.54x = 22,622.81 × 7,682.55
  4. Step 4: Simplify right side
    15,072.54x = 173,800,830.55
  5. Step 5: Solve for x
    x = 173,800,830.55/15,072.54
  6. Step 6: Final answer
    x = 11,530.96

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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.