Home / 18,964.34-28,446.58-5,816.66

Finding the Fourth Proportional to 18,964.34, 28,446.58 and 5,816.66

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Solution

The fourth proportional to 18,964.34, 28,446.58 and 5,816.66 is: 8,725.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964.34 : 28,446.58 = 5,816.66 : x
  2. Step 2: Convert to fraction form
    18,964.34/28,446.58 = 5,816.66/x
  3. Step 3: Cross multiply
    18,964.34x = 28,446.58 × 5,816.66
  4. Step 4: Simplify right side
    18,964.34x = 165,464,084.02
  5. Step 5: Solve for x
    x = 165,464,084.02/18,964.34
  6. Step 6: Final answer
    x = 8,725.01

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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.