Home / 21,163.24-31,738.47-6,368.23

Finding the Fourth Proportional to 21,163.24, 31,738.47 and 6,368.23

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Solution

The fourth proportional to 21,163.24, 31,738.47 and 6,368.23 is: 9,550.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,163.24 : 31,738.47 = 6,368.23 : x
  2. Step 2: Convert to fraction form
    21,163.24/31,738.47 = 6,368.23/x
  3. Step 3: Cross multiply
    21,163.24x = 31,738.47 × 6,368.23
  4. Step 4: Simplify right side
    21,163.24x = 202,117,876.81
  5. Step 5: Solve for x
    x = 202,117,876.81/21,163.24
  6. Step 6: Final answer
    x = 9,550.42

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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.