Home / 8,865.24-12,238.46-6,871.32

Finding the Fourth Proportional to 8,865.24, 12,238.46 and 6,871.32

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Solution

The fourth proportional to 8,865.24, 12,238.46 and 6,871.32 is: 9,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.24 : 12,238.46 = 6,871.32 : x
  2. Step 2: Convert to fraction form
    8,865.24/12,238.46 = 6,871.32/x
  3. Step 3: Cross multiply
    8,865.24x = 12,238.46 × 6,871.32
  4. Step 4: Simplify right side
    8,865.24x = 84,094,374.97
  5. Step 5: Solve for x
    x = 84,094,374.97/8,865.24
  6. Step 6: Final answer
    x = 9,485.85

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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.