Home / 9,108.28-13,632.33-6,434.67

Finding the Fourth Proportional to 9,108.28, 13,632.33 and 6,434.67

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Solution

The fourth proportional to 9,108.28, 13,632.33 and 6,434.67 is: 9,630.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.28 : 13,632.33 = 6,434.67 : x
  2. Step 2: Convert to fraction form
    9,108.28/13,632.33 = 6,434.67/x
  3. Step 3: Cross multiply
    9,108.28x = 13,632.33 × 6,434.67
  4. Step 4: Simplify right side
    9,108.28x = 87,719,544.88
  5. Step 5: Solve for x
    x = 87,719,544.88/9,108.28
  6. Step 6: Final answer
    x = 9,630.75

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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.