Home / 21,205.48-29,263.14-11,773.72

Finding the Fourth Proportional to 21,205.48, 29,263.14 and 11,773.72

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Solution

The fourth proportional to 21,205.48, 29,263.14 and 11,773.72 is: 16,247.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,205.48 : 29,263.14 = 11,773.72 : x
  2. Step 2: Convert to fraction form
    21,205.48/29,263.14 = 11,773.72/x
  3. Step 3: Cross multiply
    21,205.48x = 29,263.14 × 11,773.72
  4. Step 4: Simplify right side
    21,205.48x = 344,536,016.68
  5. Step 5: Solve for x
    x = 344,536,016.68/21,205.48
  6. Step 6: Final answer
    x = 16,247.50

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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.