Home / 8,235.02-12,338.16-6,857.22

Finding the Fourth Proportional to 8,235.02, 12,338.16 and 6,857.22

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Solution

The fourth proportional to 8,235.02, 12,338.16 and 6,857.22 is: 10,273.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.02 : 12,338.16 = 6,857.22 : x
  2. Step 2: Convert to fraction form
    8,235.02/12,338.16 = 6,857.22/x
  3. Step 3: Cross multiply
    8,235.02x = 12,338.16 × 6,857.22
  4. Step 4: Simplify right side
    8,235.02x = 84,605,477.52
  5. Step 5: Solve for x
    x = 84,605,477.52/8,235.02
  6. Step 6: Final answer
    x = 10,273.86

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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.