Home / 8,147.10-12,232.80-6,300.30

Finding the Fourth Proportional to 8,147.10, 12,232.80 and 6,300.30

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Solution

The fourth proportional to 8,147.10, 12,232.80 and 6,300.30 is: 9,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.10 : 12,232.80 = 6,300.30 : x
  2. Step 2: Convert to fraction form
    8,147.10/12,232.80 = 6,300.30/x
  3. Step 3: Cross multiply
    8,147.10x = 12,232.80 × 6,300.30
  4. Step 4: Simplify right side
    8,147.10x = 77,070,309.84
  5. Step 5: Solve for x
    x = 77,070,309.84/8,147.10
  6. Step 6: Final answer
    x = 9,459.85

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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.