Home / 21,348.94-29,438.56-14,973.44

Finding the Fourth Proportional to 21,348.94, 29,438.56 and 14,973.44

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Solution

The fourth proportional to 21,348.94, 29,438.56 and 14,973.44 is: 20,647.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,348.94 : 29,438.56 = 14,973.44 : x
  2. Step 2: Convert to fraction form
    21,348.94/29,438.56 = 14,973.44/x
  3. Step 3: Cross multiply
    21,348.94x = 29,438.56 × 14,973.44
  4. Step 4: Simplify right side
    21,348.94x = 440,796,511.85
  5. Step 5: Solve for x
    x = 440,796,511.85/21,348.94
  6. Step 6: Final answer
    x = 20,647.23

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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.