Home / 11,927.68-16,460.46-6,622.36

Finding the Fourth Proportional to 11,927.68, 16,460.46 and 6,622.36

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Solution

The fourth proportional to 11,927.68, 16,460.46 and 6,622.36 is: 9,139.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.68 : 16,460.46 = 6,622.36 : x
  2. Step 2: Convert to fraction form
    11,927.68/16,460.46 = 6,622.36/x
  3. Step 3: Cross multiply
    11,927.68x = 16,460.46 × 6,622.36
  4. Step 4: Simplify right side
    11,927.68x = 109,007,091.89
  5. Step 5: Solve for x
    x = 109,007,091.89/11,927.68
  6. Step 6: Final answer
    x = 9,139.00

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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.