Home / 12,460.30-18,690.98-4,141.06

Finding the Fourth Proportional to 12,460.30, 18,690.98 and 4,141.06

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Solution

The fourth proportional to 12,460.30, 18,690.98 and 4,141.06 is: 6,211.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460.30 : 18,690.98 = 4,141.06 : x
  2. Step 2: Convert to fraction form
    12,460.30/18,690.98 = 4,141.06/x
  3. Step 3: Cross multiply
    12,460.30x = 18,690.98 × 4,141.06
  4. Step 4: Simplify right side
    12,460.30x = 77,400,469.64
  5. Step 5: Solve for x
    x = 77,400,469.64/12,460.30
  6. Step 6: Final answer
    x = 6,211.77

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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.