Home / 14,208.36-21,313.62-7,287.72

Finding the Fourth Proportional to 14,208.36, 21,313.62 and 7,287.72

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Solution

The fourth proportional to 14,208.36, 21,313.62 and 7,287.72 is: 10,932.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.36 : 21,313.62 = 7,287.72 : x
  2. Step 2: Convert to fraction form
    14,208.36/21,313.62 = 7,287.72/x
  3. Step 3: Cross multiply
    14,208.36x = 21,313.62 × 7,287.72
  4. Step 4: Simplify right side
    14,208.36x = 155,327,694.75
  5. Step 5: Solve for x
    x = 155,327,694.75/14,208.36
  6. Step 6: Final answer
    x = 10,932.13

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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.