Home / 21,225.42-29,291.67-11,794.56

Finding the Fourth Proportional to 21,225.42, 29,291.67 and 11,794.56

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Solution

The fourth proportional to 21,225.42, 29,291.67 and 11,794.56 is: 16,276.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,225.42 : 29,291.67 = 11,794.56 : x
  2. Step 2: Convert to fraction form
    21,225.42/29,291.67 = 11,794.56/x
  3. Step 3: Cross multiply
    21,225.42x = 29,291.67 × 11,794.56
  4. Step 4: Simplify right side
    21,225.42x = 345,482,359.32
  5. Step 5: Solve for x
    x = 345,482,359.32/21,225.42
  6. Step 6: Final answer
    x = 16,276.82

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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.