Home / 8,175.60-12,254.40-6,221.52

Finding the Fourth Proportional to 8,175.60, 12,254.40 and 6,221.52

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Solution

The fourth proportional to 8,175.60, 12,254.40 and 6,221.52 is: 9,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.60 : 12,254.40 = 6,221.52 : x
  2. Step 2: Convert to fraction form
    8,175.60/12,254.40 = 6,221.52/x
  3. Step 3: Cross multiply
    8,175.60x = 12,254.40 × 6,221.52
  4. Step 4: Simplify right side
    8,175.60x = 76,240,994.69
  5. Step 5: Solve for x
    x = 76,240,994.69/8,175.60
  6. Step 6: Final answer
    x = 9,325.43

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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.