Home / 12,515.06-18,767.04-3,748.34

Finding the Fourth Proportional to 12,515.06, 18,767.04 and 3,748.34

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Solution

The fourth proportional to 12,515.06, 18,767.04 and 3,748.34 is: 5,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515.06 : 18,767.04 = 3,748.34 : x
  2. Step 2: Convert to fraction form
    12,515.06/18,767.04 = 3,748.34/x
  3. Step 3: Cross multiply
    12,515.06x = 18,767.04 × 3,748.34
  4. Step 4: Simplify right side
    12,515.06x = 70,345,246.71
  5. Step 5: Solve for x
    x = 70,345,246.71/12,515.06
  6. Step 6: Final answer
    x = 5,620.85

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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.