Home / 21,250.77-29,350.53-14,164.89

Finding the Fourth Proportional to 21,250.77, 29,350.53 and 14,164.89

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Solution

The fourth proportional to 21,250.77, 29,350.53 and 14,164.89 is: 19,563.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,250.77 : 29,350.53 = 14,164.89 : x
  2. Step 2: Convert to fraction form
    21,250.77/29,350.53 = 14,164.89/x
  3. Step 3: Cross multiply
    21,250.77x = 29,350.53 × 14,164.89
  4. Step 4: Simplify right side
    21,250.77x = 415,747,028.89
  5. Step 5: Solve for x
    x = 415,747,028.89/21,250.77
  6. Step 6: Final answer
    x = 19,563.86

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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.