Home / 12,353.57-18,517.08-5,336.90

Finding the Fourth Proportional to 12,353.57, 18,517.08 and 5,336.90

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Solution

The fourth proportional to 12,353.57, 18,517.08 and 5,336.90 is: 7,999.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353.57 : 18,517.08 = 5,336.90 : x
  2. Step 2: Convert to fraction form
    12,353.57/18,517.08 = 5,336.90/x
  3. Step 3: Cross multiply
    12,353.57x = 18,517.08 × 5,336.90
  4. Step 4: Simplify right side
    12,353.57x = 98,823,804.25
  5. Step 5: Solve for x
    x = 98,823,804.25/12,353.57
  6. Step 6: Final answer
    x = 7,999.62

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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.