Home / 12,336.89-18,511.40-5,763.53

Finding the Fourth Proportional to 12,336.89, 18,511.40 and 5,763.53

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Solution

The fourth proportional to 12,336.89, 18,511.40 and 5,763.53 is: 8,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336.89 : 18,511.40 = 5,763.53 : x
  2. Step 2: Convert to fraction form
    12,336.89/18,511.40 = 5,763.53/x
  3. Step 3: Cross multiply
    12,336.89x = 18,511.40 × 5,763.53
  4. Step 4: Simplify right side
    12,336.89x = 106,691,069.93
  5. Step 5: Solve for x
    x = 106,691,069.93/12,336.89
  6. Step 6: Final answer
    x = 8,648.14

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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.