Home / 12,513.85-18,773.54-4,722.73

Finding the Fourth Proportional to 12,513.85, 18,773.54 and 4,722.73

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Solution

The fourth proportional to 12,513.85, 18,773.54 and 4,722.73 is: 7,085.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513.85 : 18,773.54 = 4,722.73 : x
  2. Step 2: Convert to fraction form
    12,513.85/18,773.54 = 4,722.73/x
  3. Step 3: Cross multiply
    12,513.85x = 18,773.54 × 4,722.73
  4. Step 4: Simplify right side
    12,513.85x = 88,662,336.95
  5. Step 5: Solve for x
    x = 88,662,336.95/12,513.85
  6. Step 6: Final answer
    x = 7,085.14

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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.