Home / 18,276.51-27,410.66-8,406.30

Finding the Fourth Proportional to 18,276.51, 27,410.66 and 8,406.30

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Solution

The fourth proportional to 18,276.51, 27,410.66 and 8,406.30 is: 12,607.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.51 : 27,410.66 = 8,406.30 : x
  2. Step 2: Convert to fraction form
    18,276.51/27,410.66 = 8,406.30/x
  3. Step 3: Cross multiply
    18,276.51x = 27,410.66 × 8,406.30
  4. Step 4: Simplify right side
    18,276.51x = 230,422,323.44
  5. Step 5: Solve for x
    x = 230,422,323.44/18,276.51
  6. Step 6: Final answer
    x = 12,607.57

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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.