Home / 12,443.06-18,672.80-4,651.88

Finding the Fourth Proportional to 12,443.06, 18,672.80 and 4,651.88

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Solution

The fourth proportional to 12,443.06, 18,672.80 and 4,651.88 is: 6,980.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,443.06 : 18,672.80 = 4,651.88 : x
  2. Step 2: Convert to fraction form
    12,443.06/18,672.80 = 4,651.88/x
  3. Step 3: Cross multiply
    12,443.06x = 18,672.80 × 4,651.88
  4. Step 4: Simplify right side
    12,443.06x = 86,863,508.24
  5. Step 5: Solve for x
    x = 86,863,508.24/12,443.06
  6. Step 6: Final answer
    x = 6,980.88

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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.