Home / 21,194.88-29,246.40-11,762.16

Finding the Fourth Proportional to 21,194.88, 29,246.40 and 11,762.16

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Solution

The fourth proportional to 21,194.88, 29,246.40 and 11,762.16 is: 16,230.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194.88 : 29,246.40 = 11,762.16 : x
  2. Step 2: Convert to fraction form
    21,194.88/29,246.40 = 11,762.16/x
  3. Step 3: Cross multiply
    21,194.88x = 29,246.40 × 11,762.16
  4. Step 4: Simplify right side
    21,194.88x = 344,000,836.22
  5. Step 5: Solve for x
    x = 344,000,836.22/21,194.88
  6. Step 6: Final answer
    x = 16,230.37

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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.