Home / 21,266.64-29,347.72-11,836.24

Finding the Fourth Proportional to 21,266.64, 29,347.72 and 11,836.24

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Solution

The fourth proportional to 21,266.64, 29,347.72 and 11,836.24 is: 16,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,266.64 : 29,347.72 = 11,836.24 : x
  2. Step 2: Convert to fraction form
    21,266.64/29,347.72 = 11,836.24/x
  3. Step 3: Cross multiply
    21,266.64x = 29,347.72 × 11,836.24
  4. Step 4: Simplify right side
    21,266.64x = 347,366,657.37
  5. Step 5: Solve for x
    x = 347,366,657.37/21,266.64
  6. Step 6: Final answer
    x = 16,333.88

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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.