Home / 7,972.39-11,960.73-7,100.87

Finding the Fourth Proportional to 7,972.39, 11,960.73 and 7,100.87

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Solution

The fourth proportional to 7,972.39, 11,960.73 and 7,100.87 is: 10,653.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.39 : 11,960.73 = 7,100.87 : x
  2. Step 2: Convert to fraction form
    7,972.39/11,960.73 = 7,100.87/x
  3. Step 3: Cross multiply
    7,972.39x = 11,960.73 × 7,100.87
  4. Step 4: Simplify right side
    7,972.39x = 84,931,529.03
  5. Step 5: Solve for x
    x = 84,931,529.03/7,972.39
  6. Step 6: Final answer
    x = 10,653.21

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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.