Home / 11,372.04-17,062.08-3,978.56

Finding the Fourth Proportional to 11,372.04, 17,062.08 and 3,978.56

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Solution

The fourth proportional to 11,372.04, 17,062.08 and 3,978.56 is: 5,969.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.04 : 17,062.08 = 3,978.56 : x
  2. Step 2: Convert to fraction form
    11,372.04/17,062.08 = 3,978.56/x
  3. Step 3: Cross multiply
    11,372.04x = 17,062.08 × 3,978.56
  4. Step 4: Simplify right side
    11,372.04x = 67,882,509.00
  5. Step 5: Solve for x
    x = 67,882,509.00/11,372.04
  6. Step 6: Final answer
    x = 5,969.25

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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.