Home / 10,680.65-14,739.36-5,900.54

Finding the Fourth Proportional to 10,680.65, 14,739.36 and 5,900.54

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Solution

The fourth proportional to 10,680.65, 14,739.36 and 5,900.54 is: 8,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.65 : 14,739.36 = 5,900.54 : x
  2. Step 2: Convert to fraction form
    10,680.65/14,739.36 = 5,900.54/x
  3. Step 3: Cross multiply
    10,680.65x = 14,739.36 × 5,900.54
  4. Step 4: Simplify right side
    10,680.65x = 86,970,109.56
  5. Step 5: Solve for x
    x = 86,970,109.56/10,680.65
  6. Step 6: Final answer
    x = 8,142.77

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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.