Home / 12,265.60-18,401.12-4,474.39

Finding the Fourth Proportional to 12,265.60, 18,401.12 and 4,474.39

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Solution

The fourth proportional to 12,265.60, 18,401.12 and 4,474.39 is: 6,712.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.60 : 18,401.12 = 4,474.39 : x
  2. Step 2: Convert to fraction form
    12,265.60/18,401.12 = 4,474.39/x
  3. Step 3: Cross multiply
    12,265.60x = 18,401.12 × 4,474.39
  4. Step 4: Simplify right side
    12,265.60x = 82,333,787.32
  5. Step 5: Solve for x
    x = 82,333,787.32/12,265.60
  6. Step 6: Final answer
    x = 6,712.58

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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.