Home / 19,120.26-28,680.39-5,973.67

Finding the Fourth Proportional to 19,120.26, 28,680.39 and 5,973.67

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Solution

The fourth proportional to 19,120.26, 28,680.39 and 5,973.67 is: 8,960.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.26 : 28,680.39 = 5,973.67 : x
  2. Step 2: Convert to fraction form
    19,120.26/28,680.39 = 5,973.67/x
  3. Step 3: Cross multiply
    19,120.26x = 28,680.39 × 5,973.67
  4. Step 4: Simplify right side
    19,120.26x = 171,327,113.63
  5. Step 5: Solve for x
    x = 171,327,113.63/19,120.26
  6. Step 6: Final answer
    x = 8,960.50

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Double scale
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Similar ratio
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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.