Home / 12,158.82-18,238.23-2,924.82

Finding the Fourth Proportional to 12,158.82, 18,238.23 and 2,924.82

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Solution

The fourth proportional to 12,158.82, 18,238.23 and 2,924.82 is: 4,387.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,158.82 : 18,238.23 = 2,924.82 : x
  2. Step 2: Convert to fraction form
    12,158.82/18,238.23 = 2,924.82/x
  3. Step 3: Cross multiply
    12,158.82x = 18,238.23 × 2,924.82
  4. Step 4: Simplify right side
    12,158.82x = 53,343,539.87
  5. Step 5: Solve for x
    x = 53,343,539.87/12,158.82
  6. Step 6: Final answer
    x = 4,387.23

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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.