Home / 8,447.10-12,682.80-6,600.30

Finding the Fourth Proportional to 8,447.10, 12,682.80 and 6,600.30

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Solution

The fourth proportional to 8,447.10, 12,682.80 and 6,600.30 is: 9,909.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.10 : 12,682.80 = 6,600.30 : x
  2. Step 2: Convert to fraction form
    8,447.10/12,682.80 = 6,600.30/x
  3. Step 3: Cross multiply
    8,447.10x = 12,682.80 × 6,600.30
  4. Step 4: Simplify right side
    8,447.10x = 83,710,284.84
  5. Step 5: Solve for x
    x = 83,710,284.84/8,447.10
  6. Step 6: Final answer
    x = 9,909.94

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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.