Home / 11,023.34-15,212.55-6,309.14

Finding the Fourth Proportional to 11,023.34, 15,212.55 and 6,309.14

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Solution

The fourth proportional to 11,023.34, 15,212.55 and 6,309.14 is: 8,706.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,023.34 : 15,212.55 = 6,309.14 : x
  2. Step 2: Convert to fraction form
    11,023.34/15,212.55 = 6,309.14/x
  3. Step 3: Cross multiply
    11,023.34x = 15,212.55 × 6,309.14
  4. Step 4: Simplify right side
    11,023.34x = 95,978,107.71
  5. Step 5: Solve for x
    x = 95,978,107.71/11,023.34
  6. Step 6: Final answer
    x = 8,706.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.