Home / 8,963.96-13,417.86-5,665.64

Finding the Fourth Proportional to 8,963.96, 13,417.86 and 5,665.64

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Solution

The fourth proportional to 8,963.96, 13,417.86 and 5,665.64 is: 8,480.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.96 : 13,417.86 = 5,665.64 : x
  2. Step 2: Convert to fraction form
    8,963.96/13,417.86 = 5,665.64/x
  3. Step 3: Cross multiply
    8,963.96x = 13,417.86 × 5,665.64
  4. Step 4: Simplify right side
    8,963.96x = 76,020,764.33
  5. Step 5: Solve for x
    x = 76,020,764.33/8,963.96
  6. Step 6: Final answer
    x = 8,480.71

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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.