Home / 19,721.25-29,585.21-8,627.67

Finding the Fourth Proportional to 19,721.25, 29,585.21 and 8,627.67

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Solution

The fourth proportional to 19,721.25, 29,585.21 and 8,627.67 is: 12,942.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,721.25 : 29,585.21 = 8,627.67 : x
  2. Step 2: Convert to fraction form
    19,721.25/29,585.21 = 8,627.67/x
  3. Step 3: Cross multiply
    19,721.25x = 29,585.21 × 8,627.67
  4. Step 4: Simplify right side
    19,721.25x = 255,251,385.62
  5. Step 5: Solve for x
    x = 255,251,385.62/19,721.25
  6. Step 6: Final answer
    x = 12,942.96

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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.