Home / 12,512.40-18,763.56-4,716.96

Finding the Fourth Proportional to 12,512.40, 18,763.56 and 4,716.96

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Solution

The fourth proportional to 12,512.40, 18,763.56 and 4,716.96 is: 7,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512.40 : 18,763.56 = 4,716.96 : x
  2. Step 2: Convert to fraction form
    12,512.40/18,763.56 = 4,716.96/x
  3. Step 3: Cross multiply
    12,512.40x = 18,763.56 × 4,716.96
  4. Step 4: Simplify right side
    12,512.40x = 88,506,961.98
  5. Step 5: Solve for x
    x = 88,506,961.98/12,512.40
  6. Step 6: Final answer
    x = 7,073.54

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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.