Home / 9,240.24-13,922.70-7,632.78

Finding the Fourth Proportional to 9,240.24, 13,922.70 and 7,632.78

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Solution

The fourth proportional to 9,240.24, 13,922.70 and 7,632.78 is: 11,500.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.24 : 13,922.70 = 7,632.78 : x
  2. Step 2: Convert to fraction form
    9,240.24/13,922.70 = 7,632.78/x
  3. Step 3: Cross multiply
    9,240.24x = 13,922.70 × 7,632.78
  4. Step 4: Simplify right side
    9,240.24x = 106,268,906.11
  5. Step 5: Solve for x
    x = 106,268,906.11/9,240.24
  6. Step 6: Final answer
    x = 11,500.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.