Home / 21,168.63-29,224.67-14,463.99

Finding the Fourth Proportional to 21,168.63, 29,224.67 and 14,463.99

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Solution

The fourth proportional to 21,168.63, 29,224.67 and 14,463.99 is: 19,968.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,168.63 : 29,224.67 = 14,463.99 : x
  2. Step 2: Convert to fraction form
    21,168.63/29,224.67 = 14,463.99/x
  3. Step 3: Cross multiply
    21,168.63x = 29,224.67 × 14,463.99
  4. Step 4: Simplify right side
    21,168.63x = 422,705,262.31
  5. Step 5: Solve for x
    x = 422,705,262.31/21,168.63
  6. Step 6: Final answer
    x = 19,968.48

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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.