Home / 14,580.20-21,872.46-5,693.78

Finding the Fourth Proportional to 14,580.20, 21,872.46 and 5,693.78

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Solution

The fourth proportional to 14,580.20, 21,872.46 and 5,693.78 is: 8,541.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580.20 : 21,872.46 = 5,693.78 : x
  2. Step 2: Convert to fraction form
    14,580.20/21,872.46 = 5,693.78/x
  3. Step 3: Cross multiply
    14,580.20x = 21,872.46 × 5,693.78
  4. Step 4: Simplify right side
    14,580.20x = 124,536,975.30
  5. Step 5: Solve for x
    x = 124,536,975.30/14,580.20
  6. Step 6: Final answer
    x = 8,541.51

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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.