Home / 21,336.26-29,443.70-11,777.10

Finding the Fourth Proportional to 21,336.26, 29,443.70 and 11,777.10

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Solution

The fourth proportional to 21,336.26, 29,443.70 and 11,777.10 is: 16,252.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,336.26 : 29,443.70 = 11,777.10 : x
  2. Step 2: Convert to fraction form
    21,336.26/29,443.70 = 11,777.10/x
  3. Step 3: Cross multiply
    21,336.26x = 29,443.70 × 11,777.10
  4. Step 4: Simplify right side
    21,336.26x = 346,761,399.27
  5. Step 5: Solve for x
    x = 346,761,399.27/21,336.26
  6. Step 6: Final answer
    x = 16,252.21

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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.