Home / 10,163.92-14,021.76-5,970.28

Finding the Fourth Proportional to 10,163.92, 14,021.76 and 5,970.28

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Solution

The fourth proportional to 10,163.92, 14,021.76 and 5,970.28 is: 8,236.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.92 : 14,021.76 = 5,970.28 : x
  2. Step 2: Convert to fraction form
    10,163.92/14,021.76 = 5,970.28/x
  3. Step 3: Cross multiply
    10,163.92x = 14,021.76 × 5,970.28
  4. Step 4: Simplify right side
    10,163.92x = 83,713,833.29
  5. Step 5: Solve for x
    x = 83,713,833.29/10,163.92
  6. Step 6: Final answer
    x = 8,236.37

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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.