Home / 22,374.05-30,876.96-12,815.64

Finding the Fourth Proportional to 22,374.05, 30,876.96 and 12,815.64

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Solution

The fourth proportional to 22,374.05, 30,876.96 and 12,815.64 is: 17,686.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,374.05 : 30,876.96 = 12,815.64 : x
  2. Step 2: Convert to fraction form
    22,374.05/30,876.96 = 12,815.64/x
  3. Step 3: Cross multiply
    22,374.05x = 30,876.96 × 12,815.64
  4. Step 4: Simplify right side
    22,374.05x = 395,708,003.65
  5. Step 5: Solve for x
    x = 395,708,003.65/22,374.05
  6. Step 6: Final answer
    x = 17,686.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.