Home / 12,391.73-18,594.21-5,817.98

Finding the Fourth Proportional to 12,391.73, 18,594.21 and 5,817.98

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Solution

The fourth proportional to 12,391.73, 18,594.21 and 5,817.98 is: 8,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,391.73 : 18,594.21 = 5,817.98 : x
  2. Step 2: Convert to fraction form
    12,391.73/18,594.21 = 5,817.98/x
  3. Step 3: Cross multiply
    12,391.73x = 18,594.21 × 5,817.98
  4. Step 4: Simplify right side
    12,391.73x = 108,180,741.90
  5. Step 5: Solve for x
    x = 108,180,741.90/12,391.73
  6. Step 6: Final answer
    x = 8,730.08

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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.