Home / 12,892.44-19,341.50-4,128.24

Finding the Fourth Proportional to 12,892.44, 19,341.50 and 4,128.24

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Solution

The fourth proportional to 12,892.44, 19,341.50 and 4,128.24 is: 6,193.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892.44 : 19,341.50 = 4,128.24 : x
  2. Step 2: Convert to fraction form
    12,892.44/19,341.50 = 4,128.24/x
  3. Step 3: Cross multiply
    12,892.44x = 19,341.50 × 4,128.24
  4. Step 4: Simplify right side
    12,892.44x = 79,846,333.32
  5. Step 5: Solve for x
    x = 79,846,333.32/12,892.44
  6. Step 6: Final answer
    x = 6,193.27

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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.