Home / 9,208.80-12,708.24-5,016.96

Finding the Fourth Proportional to 9,208.80, 12,708.24 and 5,016.96

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Solution

The fourth proportional to 9,208.80, 12,708.24 and 5,016.96 is: 6,923.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,208.80 : 12,708.24 = 5,016.96 : x
  2. Step 2: Convert to fraction form
    9,208.80/12,708.24 = 5,016.96/x
  3. Step 3: Cross multiply
    9,208.80x = 12,708.24 × 5,016.96
  4. Step 4: Simplify right side
    9,208.80x = 63,756,731.75
  5. Step 5: Solve for x
    x = 63,756,731.75/9,208.80
  6. Step 6: Final answer
    x = 6,923.46

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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.