Home / 19,267.56-28,906.38-8,174.70

Finding the Fourth Proportional to 19,267.56, 28,906.38 and 8,174.70

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Solution

The fourth proportional to 19,267.56, 28,906.38 and 8,174.70 is: 12,264.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.56 : 28,906.38 = 8,174.70 : x
  2. Step 2: Convert to fraction form
    19,267.56/28,906.38 = 8,174.70/x
  3. Step 3: Cross multiply
    19,267.56x = 28,906.38 × 8,174.70
  4. Step 4: Simplify right side
    19,267.56x = 236,300,984.59
  5. Step 5: Solve for x
    x = 236,300,984.59/19,267.56
  6. Step 6: Final answer
    x = 12,264.19

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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.