Home / 21,205.13-29,263.02-11,773.63

Finding the Fourth Proportional to 21,205.13, 29,263.02 and 11,773.63

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Solution

The fourth proportional to 21,205.13, 29,263.02 and 11,773.63 is: 16,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,205.13 : 29,263.02 = 11,773.63 : x
  2. Step 2: Convert to fraction form
    21,205.13/29,263.02 = 11,773.63/x
  3. Step 3: Cross multiply
    21,205.13x = 29,263.02 × 11,773.63
  4. Step 4: Simplify right side
    21,205.13x = 344,531,823.85
  5. Step 5: Solve for x
    x = 344,531,823.85/21,205.13
  6. Step 6: Final answer
    x = 16,247.57

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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.