Home / 21,236.53-29,306.87-11,804.89

Finding the Fourth Proportional to 21,236.53, 29,306.87 and 11,804.89

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Solution

The fourth proportional to 21,236.53, 29,306.87 and 11,804.89 is: 16,291.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,236.53 : 29,306.87 = 11,804.89 : x
  2. Step 2: Convert to fraction form
    21,236.53/29,306.87 = 11,804.89/x
  3. Step 3: Cross multiply
    21,236.53x = 29,306.87 × 11,804.89
  4. Step 4: Simplify right side
    21,236.53x = 345,964,376.59
  5. Step 5: Solve for x
    x = 345,964,376.59/21,236.53
  6. Step 6: Final answer
    x = 16,291.00

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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.