Home / 12,892.36-19,341.54-4,126.60

Finding the Fourth Proportional to 12,892.36, 19,341.54 and 4,126.60

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Solution

The fourth proportional to 12,892.36, 19,341.54 and 4,126.60 is: 6,190.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892.36 : 19,341.54 = 4,126.60 : x
  2. Step 2: Convert to fraction form
    12,892.36/19,341.54 = 4,126.60/x
  3. Step 3: Cross multiply
    12,892.36x = 19,341.54 × 4,126.60
  4. Step 4: Simplify right side
    12,892.36x = 79,814,798.96
  5. Step 5: Solve for x
    x = 79,814,798.96/12,892.36
  6. Step 6: Final answer
    x = 6,190.86

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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.