Home / 14,126.89-21,193.83-9,975.04

Finding the Fourth Proportional to 14,126.89, 21,193.83 and 9,975.04

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Solution

The fourth proportional to 14,126.89, 21,193.83 and 9,975.04 is: 14,965.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.89 : 21,193.83 = 9,975.04 : x
  2. Step 2: Convert to fraction form
    14,126.89/21,193.83 = 9,975.04/x
  3. Step 3: Cross multiply
    14,126.89x = 21,193.83 × 9,975.04
  4. Step 4: Simplify right side
    14,126.89x = 211,409,302.00
  5. Step 5: Solve for x
    x = 211,409,302.00/14,126.89
  6. Step 6: Final answer
    x = 14,965.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.