Home / 13,516.05-20,259.73-7,972.01

Finding the Fourth Proportional to 13,516.05, 20,259.73 and 7,972.01

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Solution

The fourth proportional to 13,516.05, 20,259.73 and 7,972.01 is: 11,949.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.05 : 20,259.73 = 7,972.01 : x
  2. Step 2: Convert to fraction form
    13,516.05/20,259.73 = 7,972.01/x
  3. Step 3: Cross multiply
    13,516.05x = 20,259.73 × 7,972.01
  4. Step 4: Simplify right side
    13,516.05x = 161,510,770.16
  5. Step 5: Solve for x
    x = 161,510,770.16/13,516.05
  6. Step 6: Final answer
    x = 11,949.55

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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.