Home / 13,313.25-19,977.57-7,390.94

Finding the Fourth Proportional to 13,313.25, 19,977.57 and 7,390.94

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Solution

The fourth proportional to 13,313.25, 19,977.57 and 7,390.94 is: 11,090.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.25 : 19,977.57 = 7,390.94 : x
  2. Step 2: Convert to fraction form
    13,313.25/19,977.57 = 7,390.94/x
  3. Step 3: Cross multiply
    13,313.25x = 19,977.57 × 7,390.94
  4. Step 4: Simplify right side
    13,313.25x = 147,652,921.33
  5. Step 5: Solve for x
    x = 147,652,921.33/13,313.25
  6. Step 6: Final answer
    x = 11,090.67

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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.