Home / 11,620.56-17,427.08-6,282.78

Finding the Fourth Proportional to 11,620.56, 17,427.08 and 6,282.78

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Solution

The fourth proportional to 11,620.56, 17,427.08 and 6,282.78 is: 9,422.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.56 : 17,427.08 = 6,282.78 : x
  2. Step 2: Convert to fraction form
    11,620.56/17,427.08 = 6,282.78/x
  3. Step 3: Cross multiply
    11,620.56x = 17,427.08 × 6,282.78
  4. Step 4: Simplify right side
    11,620.56x = 109,490,509.68
  5. Step 5: Solve for x
    x = 109,490,509.68/11,620.56
  6. Step 6: Final answer
    x = 9,422.14

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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.