Home / 12,749.04-19,106.28-6,162.12

Finding the Fourth Proportional to 12,749.04, 19,106.28 and 6,162.12

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Solution

The fourth proportional to 12,749.04, 19,106.28 and 6,162.12 is: 9,234.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749.04 : 19,106.28 = 6,162.12 : x
  2. Step 2: Convert to fraction form
    12,749.04/19,106.28 = 6,162.12/x
  3. Step 3: Cross multiply
    12,749.04x = 19,106.28 × 6,162.12
  4. Step 4: Simplify right side
    12,749.04x = 117,735,190.11
  5. Step 5: Solve for x
    x = 117,735,190.11/12,749.04
  6. Step 6: Final answer
    x = 9,234.83

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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.