Home / 14,247.75-19,661.54-7,960.17

Finding the Fourth Proportional to 14,247.75, 19,661.54 and 7,960.17

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Solution

The fourth proportional to 14,247.75, 19,661.54 and 7,960.17 is: 10,984.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.75 : 19,661.54 = 7,960.17 : x
  2. Step 2: Convert to fraction form
    14,247.75/19,661.54 = 7,960.17/x
  3. Step 3: Cross multiply
    14,247.75x = 19,661.54 × 7,960.17
  4. Step 4: Simplify right side
    14,247.75x = 156,509,161.06
  5. Step 5: Solve for x
    x = 156,509,161.06/14,247.75
  6. Step 6: Final answer
    x = 10,984.83

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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.