Home / 21,263.92-29,340.76-11,832.24

Finding the Fourth Proportional to 21,263.92, 29,340.76 and 11,832.24

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Solution

The fourth proportional to 21,263.92, 29,340.76 and 11,832.24 is: 16,326.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,263.92 : 29,340.76 = 11,832.24 : x
  2. Step 2: Convert to fraction form
    21,263.92/29,340.76 = 11,832.24/x
  3. Step 3: Cross multiply
    21,263.92x = 29,340.76 × 11,832.24
  4. Step 4: Simplify right side
    21,263.92x = 347,166,914.10
  5. Step 5: Solve for x
    x = 347,166,914.10/21,263.92
  6. Step 6: Final answer
    x = 16,326.57

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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.