Home / 11,927.89-16,460.17-6,622.57

Finding the Fourth Proportional to 11,927.89, 16,460.17 and 6,622.57

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Solution

The fourth proportional to 11,927.89, 16,460.17 and 6,622.57 is: 9,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.89 : 16,460.17 = 6,622.57 : x
  2. Step 2: Convert to fraction form
    11,927.89/16,460.17 = 6,622.57/x
  3. Step 3: Cross multiply
    11,927.89x = 16,460.17 × 6,622.57
  4. Step 4: Simplify right side
    11,927.89x = 109,008,628.04
  5. Step 5: Solve for x
    x = 109,008,628.04/11,927.89
  6. Step 6: Final answer
    x = 9,138.97

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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.