Home / 12,460.14-18,690.30-3,695.22

Finding the Fourth Proportional to 12,460.14, 18,690.30 and 3,695.22

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Solution

The fourth proportional to 12,460.14, 18,690.30 and 3,695.22 is: 5,542.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460.14 : 18,690.30 = 3,695.22 : x
  2. Step 2: Convert to fraction form
    12,460.14/18,690.30 = 3,695.22/x
  3. Step 3: Cross multiply
    12,460.14x = 18,690.30 × 3,695.22
  4. Step 4: Simplify right side
    12,460.14x = 69,064,770.37
  5. Step 5: Solve for x
    x = 69,064,770.37/12,460.14
  6. Step 6: Final answer
    x = 5,542.86

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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.