Home / 14,010.92-21,012.29-5,243.79

Finding the Fourth Proportional to 14,010.92, 21,012.29 and 5,243.79

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Solution

The fourth proportional to 14,010.92, 21,012.29 and 5,243.79 is: 7,864.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.92 : 21,012.29 = 5,243.79 : x
  2. Step 2: Convert to fraction form
    14,010.92/21,012.29 = 5,243.79/x
  3. Step 3: Cross multiply
    14,010.92x = 21,012.29 × 5,243.79
  4. Step 4: Simplify right side
    14,010.92x = 110,183,975.48
  5. Step 5: Solve for x
    x = 110,183,975.48/14,010.92
  6. Step 6: Final answer
    x = 7,864.15

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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.