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Finding the Fourth Proportional to 22,960.02, 34,427.09 and 7,960.11

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Solution

The fourth proportional to 22,960.02, 34,427.09 and 7,960.11 is: 11,935.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,960.02 : 34,427.09 = 7,960.11 : x
  2. Step 2: Convert to fraction form
    22,960.02/34,427.09 = 7,960.11/x
  3. Step 3: Cross multiply
    22,960.02x = 34,427.09 × 7,960.11
  4. Step 4: Simplify right side
    22,960.02x = 274,043,314.18
  5. Step 5: Solve for x
    x = 274,043,314.18/22,960.02
  6. Step 6: Final answer
    x = 11,935.67

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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.