Home / 12,446.28-18,669.74-4,126.88

Finding the Fourth Proportional to 12,446.28, 18,669.74 and 4,126.88

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Solution

The fourth proportional to 12,446.28, 18,669.74 and 4,126.88 is: 6,190.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.28 : 18,669.74 = 4,126.88 : x
  2. Step 2: Convert to fraction form
    12,446.28/18,669.74 = 4,126.88/x
  3. Step 3: Cross multiply
    12,446.28x = 18,669.74 × 4,126.88
  4. Step 4: Simplify right side
    12,446.28x = 77,047,802.65
  5. Step 5: Solve for x
    x = 77,047,802.65/12,446.28
  6. Step 6: Final answer
    x = 6,190.43

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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.