Home / 10,571.23-14,564.80-6,979.79

Finding the Fourth Proportional to 10,571.23, 14,564.80 and 6,979.79

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Solution

The fourth proportional to 10,571.23, 14,564.80 and 6,979.79 is: 9,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571.23 : 14,564.80 = 6,979.79 : x
  2. Step 2: Convert to fraction form
    10,571.23/14,564.80 = 6,979.79/x
  3. Step 3: Cross multiply
    10,571.23x = 14,564.80 × 6,979.79
  4. Step 4: Simplify right side
    10,571.23x = 101,659,245.39
  5. Step 5: Solve for x
    x = 101,659,245.39/10,571.23
  6. Step 6: Final answer
    x = 9,616.60

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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.