Home / 21,349.44-29,453.76-14,264.64

Finding the Fourth Proportional to 21,349.44, 29,453.76 and 14,264.64

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Solution

The fourth proportional to 21,349.44, 29,453.76 and 14,264.64 is: 19,679.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,349.44 : 29,453.76 = 14,264.64 : x
  2. Step 2: Convert to fraction form
    21,349.44/29,453.76 = 14,264.64/x
  3. Step 3: Cross multiply
    21,349.44x = 29,453.76 × 14,264.64
  4. Step 4: Simplify right side
    21,349.44x = 420,147,283.05
  5. Step 5: Solve for x
    x = 420,147,283.05/21,349.44
  6. Step 6: Final answer
    x = 19,679.55

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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.