Home / 8,342.02-12,553.08-6,871.84

Finding the Fourth Proportional to 8,342.02, 12,553.08 and 6,871.84

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Solution

The fourth proportional to 8,342.02, 12,553.08 and 6,871.84 is: 10,340.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.02 : 12,553.08 = 6,871.84 : x
  2. Step 2: Convert to fraction form
    8,342.02/12,553.08 = 6,871.84/x
  3. Step 3: Cross multiply
    8,342.02x = 12,553.08 × 6,871.84
  4. Step 4: Simplify right side
    8,342.02x = 86,262,757.27
  5. Step 5: Solve for x
    x = 86,262,757.27/8,342.02
  6. Step 6: Final answer
    x = 10,340.75

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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.