Home / 13,100.90-19,639.73-9,393.80

Finding the Fourth Proportional to 13,100.90, 19,639.73 and 9,393.80

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Solution

The fourth proportional to 13,100.90, 19,639.73 and 9,393.80 is: 14,082.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100.90 : 19,639.73 = 9,393.80 : x
  2. Step 2: Convert to fraction form
    13,100.90/19,639.73 = 9,393.80/x
  3. Step 3: Cross multiply
    13,100.90x = 19,639.73 × 9,393.80
  4. Step 4: Simplify right side
    13,100.90x = 184,491,620.96
  5. Step 5: Solve for x
    x = 184,491,620.96/13,100.90
  6. Step 6: Final answer
    x = 14,082.37

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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.