Home / 12,436.74-18,655.11-4,114.52

Finding the Fourth Proportional to 12,436.74, 18,655.11 and 4,114.52

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Solution

The fourth proportional to 12,436.74, 18,655.11 and 4,114.52 is: 6,171.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.74 : 18,655.11 = 4,114.52 : x
  2. Step 2: Convert to fraction form
    12,436.74/18,655.11 = 4,114.52/x
  3. Step 3: Cross multiply
    12,436.74x = 18,655.11 × 4,114.52
  4. Step 4: Simplify right side
    12,436.74x = 76,756,852.35
  5. Step 5: Solve for x
    x = 76,756,852.35/12,436.74
  6. Step 6: Final answer
    x = 6,171.78

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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.