Home / 12,249.51-18,376.70-4,458.93

Finding the Fourth Proportional to 12,249.51, 18,376.70 and 4,458.93

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Solution

The fourth proportional to 12,249.51, 18,376.70 and 4,458.93 is: 6,689.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.51 : 18,376.70 = 4,458.93 : x
  2. Step 2: Convert to fraction form
    12,249.51/18,376.70 = 4,458.93/x
  3. Step 3: Cross multiply
    12,249.51x = 18,376.70 × 4,458.93
  4. Step 4: Simplify right side
    12,249.51x = 81,940,396.64
  5. Step 5: Solve for x
    x = 81,940,396.64/12,249.51
  6. Step 6: Final answer
    x = 6,689.28

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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.