Home / 12,631.04-18,899.04-8,743.04

Finding the Fourth Proportional to 12,631.04, 18,899.04 and 8,743.04

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Solution

The fourth proportional to 12,631.04, 18,899.04 and 8,743.04 is: 13,081.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631.04 : 18,899.04 = 8,743.04 : x
  2. Step 2: Convert to fraction form
    12,631.04/18,899.04 = 8,743.04/x
  3. Step 3: Cross multiply
    12,631.04x = 18,899.04 × 8,743.04
  4. Step 4: Simplify right side
    12,631.04x = 165,235,062.68
  5. Step 5: Solve for x
    x = 165,235,062.68/12,631.04
  6. Step 6: Final answer
    x = 13,081.67

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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.