Home / 22,236.86-30,687.30-12,165.26

Finding the Fourth Proportional to 22,236.86, 30,687.30 and 12,165.26

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Solution

The fourth proportional to 22,236.86, 30,687.30 and 12,165.26 is: 16,788.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.86 : 30,687.30 = 12,165.26 : x
  2. Step 2: Convert to fraction form
    22,236.86/30,687.30 = 12,165.26/x
  3. Step 3: Cross multiply
    22,236.86x = 30,687.30 × 12,165.26
  4. Step 4: Simplify right side
    22,236.86x = 373,318,829.76
  5. Step 5: Solve for x
    x = 373,318,829.76/22,236.86
  6. Step 6: Final answer
    x = 16,788.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.