Home / 21,263.58-29,344.50-11,832.66

Finding the Fourth Proportional to 21,263.58, 29,344.50 and 11,832.66

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Solution

The fourth proportional to 21,263.58, 29,344.50 and 11,832.66 is: 16,329.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,263.58 : 29,344.50 = 11,832.66 : x
  2. Step 2: Convert to fraction form
    21,263.58/29,344.50 = 11,832.66/x
  3. Step 3: Cross multiply
    21,263.58x = 29,344.50 × 11,832.66
  4. Step 4: Simplify right side
    21,263.58x = 347,223,491.37
  5. Step 5: Solve for x
    x = 347,223,491.37/21,263.58
  6. Step 6: Final answer
    x = 16,329.49

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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.